Home / 981,628.20-1,472,442.30-967,631.40

Finding the Fourth Proportional to 981,628.20, 1,472,442.30 and 967,631.40

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Solution

The fourth proportional to 981,628.20, 1,472,442.30 and 967,631.40 is: 1,451,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,628.20 : 1,472,442.30 = 967,631.40 : x
  2. Step 2: Convert to fraction form
    981,628.20/1,472,442.30 = 967,631.40/x
  3. Step 3: Cross multiply
    981,628.20x = 1,472,442.30 × 967,631.40
  4. Step 4: Simplify right side
    981,628.20x = 1,424,781,404,168.22
  5. Step 5: Solve for x
    x = 1,424,781,404,168.22/981,628.20
  6. Step 6: Final answer
    x = 1,451,447.10

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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.