Home / 981,348.70-1,472,023.05-768,772.30

Finding the Fourth Proportional to 981,348.70, 1,472,023.05 and 768,772.30

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Solution

The fourth proportional to 981,348.70, 1,472,023.05 and 768,772.30 is: 1,153,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,348.70 : 1,472,023.05 = 768,772.30 : x
  2. Step 2: Convert to fraction form
    981,348.70/1,472,023.05 = 768,772.30/x
  3. Step 3: Cross multiply
    981,348.70x = 1,472,023.05 × 768,772.30
  4. Step 4: Simplify right side
    981,348.70x = 1,131,650,545,801.52
  5. Step 5: Solve for x
    x = 1,131,650,545,801.52/981,348.70
  6. Step 6: Final answer
    x = 1,153,158.45

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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.