Finding the Fourth Proportional to 1,240,895.93, 1,861,345.35 and 387,972.08
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Solution
The fourth proportional to 1,240,895.93, 1,861,345.35 and 387,972.08 is: 581,958.58
Step by Step Solution
- Step 1: Write the proportion equation
1,240,895.93 : 1,861,345.35 = 387,972.08 : x - Step 2: Convert to fraction form
1,240,895.93/1,861,345.35 = 387,972.08/x - Step 3: Cross multiply
1,240,895.93x = 1,861,345.35 × 387,972.08 - Step 4: Simplify right side
1,240,895.93x = 722,150,024,711.15 - Step 5: Solve for x
x = 722,150,024,711.15/1,240,895.93 - Step 6: Final answer
x = 581,958.58
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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.