Home / 1,002,568.14-1,503,251.28-319,159.80

Finding the Fourth Proportional to 1,002,568.14, 1,503,251.28 and 319,159.80

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Solution

The fourth proportional to 1,002,568.14, 1,503,251.28 and 319,159.80 is: 478,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,568.14 : 1,503,251.28 = 319,159.80 : x
  2. Step 2: Convert to fraction form
    1,002,568.14/1,503,251.28 = 319,159.80/x
  3. Step 3: Cross multiply
    1,002,568.14x = 1,503,251.28 × 319,159.80
  4. Step 4: Simplify right side
    1,002,568.14x = 479,777,377,874.54
  5. Step 5: Solve for x
    x = 479,777,377,874.54/1,002,568.14
  6. Step 6: Final answer
    x = 478,548.40

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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.