Home / 981,454.26-1,472,251.38-261,791.94

Finding the Fourth Proportional to 981,454.26, 1,472,251.38 and 261,791.94

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Solution

The fourth proportional to 981,454.26, 1,472,251.38 and 261,791.94 is: 392,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,454.26 : 1,472,251.38 = 261,791.94 : x
  2. Step 2: Convert to fraction form
    981,454.26/1,472,251.38 = 261,791.94/x
  3. Step 3: Cross multiply
    981,454.26x = 1,472,251.38 × 261,791.94
  4. Step 4: Simplify right side
    981,454.26x = 385,423,544,937.88
  5. Step 5: Solve for x
    x = 385,423,544,937.88/981,454.26
  6. Step 6: Final answer
    x = 392,706.58

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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.