Home / 1,006,331.04-1,389,310.16-667,257.76

Finding the Fourth Proportional to 1,006,331.04, 1,389,310.16 and 667,257.76

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Solution

The fourth proportional to 1,006,331.04, 1,389,310.16 and 667,257.76 is: 921,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,331.04 : 1,389,310.16 = 667,257.76 : x
  2. Step 2: Convert to fraction form
    1,006,331.04/1,389,310.16 = 667,257.76/x
  3. Step 3: Cross multiply
    1,006,331.04x = 1,389,310.16 × 667,257.76
  4. Step 4: Simplify right side
    1,006,331.04x = 927,027,985,306.84
  5. Step 5: Solve for x
    x = 927,027,985,306.84/1,006,331.04
  6. Step 6: Final answer
    x = 921,195.86

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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.