Home / 1,588,654.46-2,381,642.36-689,418.78

Finding the Fourth Proportional to 1,588,654.46, 2,381,642.36 and 689,418.78

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Solution

The fourth proportional to 1,588,654.46, 2,381,642.36 and 689,418.78 is: 1,033,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,654.46 : 2,381,642.36 = 689,418.78 : x
  2. Step 2: Convert to fraction form
    1,588,654.46/2,381,642.36 = 689,418.78/x
  3. Step 3: Cross multiply
    1,588,654.46x = 2,381,642.36 × 689,418.78
  4. Step 4: Simplify right side
    1,588,654.46x = 1,641,948,970,227.52
  5. Step 5: Solve for x
    x = 1,641,948,970,227.52/1,588,654.46
  6. Step 6: Final answer
    x = 1,033,546.95

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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.