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Finding the Fourth Proportional to 981,348.70, 1,472,023.06 and 981,348.70

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Solution

The fourth proportional to 981,348.70, 1,472,023.06 and 981,348.70 is: 1,472,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,348.70 : 1,472,023.06 = 981,348.70 : x
  2. Step 2: Convert to fraction form
    981,348.70/1,472,023.06 = 981,348.70/x
  3. Step 3: Cross multiply
    981,348.70x = 1,472,023.06 × 981,348.70
  4. Step 4: Simplify right side
    981,348.70x = 1,444,567,916,301.02
  5. Step 5: Solve for x
    x = 1,444,567,916,301.02/981,348.70
  6. Step 6: Final answer
    x = 1,472,023.06

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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.