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Finding the Fourth Proportional to 981,708.54, 1,472,595 and 271,677.12

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Solution

The fourth proportional to 981,708.54, 1,472,595 and 271,677.12 is: 407,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,708.54 : 1,472,595 = 271,677.12 : x
  2. Step 2: Convert to fraction form
    981,708.54/1,472,595 = 271,677.12/x
  3. Step 3: Cross multiply
    981,708.54x = 1,472,595 × 271,677.12
  4. Step 4: Simplify right side
    981,708.54x = 400,070,368,526.40
  5. Step 5: Solve for x
    x = 400,070,368,526.40/981,708.54
  6. Step 6: Final answer
    x = 407,524.59

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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.