Finding the Fourth Proportional to 1,370,560.80, 1,891,396.80 and 750,420.12
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Solution
The fourth proportional to 1,370,560.80, 1,891,396.80 and 750,420.12 is: 1,035,592.30
Step by Step Solution
- Step 1: Write the proportion equation
1,370,560.80 : 1,891,396.80 = 750,420.12 : x - Step 2: Convert to fraction form
1,370,560.80/1,891,396.80 = 750,420.12/x - Step 3: Cross multiply
1,370,560.80x = 1,891,396.80 × 750,420.12 - Step 4: Simplify right side
1,370,560.80x = 1,419,342,213,623.62 - Step 5: Solve for x
x = 1,419,342,213,623.62/1,370,560.80 - Step 6: Final answer
x = 1,035,592.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.