Finding the Fourth Proportional to 1,246,841.64, 1,720,607.04 and 702,972.66
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Solution
The fourth proportional to 1,246,841.64, 1,720,607.04 and 702,972.66 is: 970,082.86
Step by Step Solution
- Step 1: Write the proportion equation
1,246,841.64 : 1,720,607.04 = 702,972.66 : x - Step 2: Convert to fraction form
1,246,841.64/1,720,607.04 = 702,972.66/x - Step 3: Cross multiply
1,246,841.64x = 1,720,607.04 × 702,972.66 - Step 4: Simplify right side
1,246,841.64x = 1,209,539,707,723.53 - Step 5: Solve for x
x = 1,209,539,707,723.53/1,246,841.64 - Step 6: Final answer
x = 970,082.86
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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.