In the summer, water consumption is known to decrease overall by $25 \%$. A Water Board official states that in the summer household consumption decreases by $20 \%$, while other consumption increases by $70 \%$. Which of the following statement is correct?
1. The ratio of household to other consumption is $8/17$
2. The ratio of household to other consumption is $1/17$
3. The ratio of household to other consumption is $17/8$