Home / 1,429,691.70-1,972,974.50-785,122.64

Finding the Fourth Proportional to 1,429,691.70, 1,972,974.50 and 785,122.64

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Solution

The fourth proportional to 1,429,691.70, 1,972,974.50 and 785,122.64 is: 1,083,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,691.70 : 1,972,974.50 = 785,122.64 : x
  2. Step 2: Convert to fraction form
    1,429,691.70/1,972,974.50 = 785,122.64/x
  3. Step 3: Cross multiply
    1,429,691.70x = 1,972,974.50 × 785,122.64
  4. Step 4: Simplify right side
    1,429,691.70x = 1,549,026,948,092.68
  5. Step 5: Solve for x
    x = 1,549,026,948,092.68/1,429,691.70
  6. Step 6: Final answer
    x = 1,083,469.22

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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.