Home / 981,500.24-1,355,502.92-874,512.90

Finding the Fourth Proportional to 981,500.24, 1,355,502.92 and 874,512.90

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Solution

The fourth proportional to 981,500.24, 1,355,502.92 and 874,512.90 is: 1,207,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,500.24 : 1,355,502.92 = 874,512.90 : x
  2. Step 2: Convert to fraction form
    981,500.24/1,355,502.92 = 874,512.90/x
  3. Step 3: Cross multiply
    981,500.24x = 1,355,502.92 × 874,512.90
  4. Step 4: Simplify right side
    981,500.24x = 1,185,404,778,377.59
  5. Step 5: Solve for x
    x = 1,185,404,778,377.59/981,500.24
  6. Step 6: Final answer
    x = 1,207,747.83

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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.