Home / 981,630.20-1,472,445.30-967,633.40

Finding the Fourth Proportional to 981,630.20, 1,472,445.30 and 967,633.40

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Solution

The fourth proportional to 981,630.20, 1,472,445.30 and 967,633.40 is: 1,451,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,630.20 : 1,472,445.30 = 967,633.40 : x
  2. Step 2: Convert to fraction form
    981,630.20/1,472,445.30 = 967,633.40/x
  3. Step 3: Cross multiply
    981,630.20x = 1,472,445.30 × 967,633.40
  4. Step 4: Simplify right side
    981,630.20x = 1,424,787,251,953.02
  5. Step 5: Solve for x
    x = 1,424,787,251,953.02/981,630.20
  6. Step 6: Final answer
    x = 1,451,450.10

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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.