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Finding the Fourth Proportional to 981,997.38, 1,354,830.57 and 800,397

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Solution

The fourth proportional to 981,997.38, 1,354,830.57 and 800,397 is: 1,104,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,997.38 : 1,354,830.57 = 800,397 : x
  2. Step 2: Convert to fraction form
    981,997.38/1,354,830.57 = 800,397/x
  3. Step 3: Cross multiply
    981,997.38x = 1,354,830.57 × 800,397
  4. Step 4: Simplify right side
    981,997.38x = 1,084,402,323,736.29
  5. Step 5: Solve for x
    x = 1,084,402,323,736.29/981,997.38
  6. Step 6: Final answer
    x = 1,104,282.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.