Finding the Fourth Proportional to 1,025,612.18, 1,538,419.38 and 267,452.99
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Solution
The fourth proportional to 1,025,612.18, 1,538,419.38 and 267,452.99 is: 401,179.77
Step by Step Solution
- Step 1: Write the proportion equation
1,025,612.18 : 1,538,419.38 = 267,452.99 : x - Step 2: Convert to fraction form
1,025,612.18/1,538,419.38 = 267,452.99/x - Step 3: Cross multiply
1,025,612.18x = 1,538,419.38 × 267,452.99 - Step 4: Simplify right side
1,025,612.18x = 411,454,854,025.58 - Step 5: Solve for x
x = 411,454,854,025.58/1,025,612.18 - Step 6: Final answer
x = 401,179.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.