Home / 1,137,781.38-1,570,108.23-628,472.82

Finding the Fourth Proportional to 1,137,781.38, 1,570,108.23 and 628,472.82

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Solution

The fourth proportional to 1,137,781.38, 1,570,108.23 and 628,472.82 is: 867,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,781.38 : 1,570,108.23 = 628,472.82 : x
  2. Step 2: Convert to fraction form
    1,137,781.38/1,570,108.23 = 628,472.82/x
  3. Step 3: Cross multiply
    1,137,781.38x = 1,570,108.23 × 628,472.82
  4. Step 4: Simplify right side
    1,137,781.38x = 986,770,347,013.31
  5. Step 5: Solve for x
    x = 986,770,347,013.31/1,137,781.38
  6. Step 6: Final answer
    x = 867,275.88

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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.