Finding the Fourth Proportional to 1,252,085.18, 1,878,160.12 and 341,275.14
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Solution
The fourth proportional to 1,252,085.18, 1,878,160.12 and 341,275.14 is: 511,921.53
Step by Step Solution
- Step 1: Write the proportion equation
1,252,085.18 : 1,878,160.12 = 341,275.14 : x - Step 2: Convert to fraction form
1,252,085.18/1,878,160.12 = 341,275.14/x - Step 3: Cross multiply
1,252,085.18x = 1,878,160.12 × 341,275.14 - Step 4: Simplify right side
1,252,085.18x = 640,969,357,895.42 - Step 5: Solve for x
x = 640,969,357,895.42/1,252,085.18 - Step 6: Final answer
x = 511,921.53
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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.