Home / 1,580,834-2,181,550.92-865,442

Finding the Fourth Proportional to 1,580,834, 2,181,550.92 and 865,442

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Solution

The fourth proportional to 1,580,834, 2,181,550.92 and 865,442 is: 1,194,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,834 : 2,181,550.92 = 865,442 : x
  2. Step 2: Convert to fraction form
    1,580,834/2,181,550.92 = 865,442/x
  3. Step 3: Cross multiply
    1,580,834x = 2,181,550.92 × 865,442
  4. Step 4: Simplify right side
    1,580,834x = 1,888,005,791,306.64
  5. Step 5: Solve for x
    x = 1,888,005,791,306.64/1,580,834
  6. Step 6: Final answer
    x = 1,194,309.96

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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.