Home / 1,503,819.13-2,255,691.21-438,870.43

Finding the Fourth Proportional to 1,503,819.13, 2,255,691.21 and 438,870.43

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Solution

The fourth proportional to 1,503,819.13, 2,255,691.21 and 438,870.43 is: 658,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,819.13 : 2,255,691.21 = 438,870.43 : x
  2. Step 2: Convert to fraction form
    1,503,819.13/2,255,691.21 = 438,870.43/x
  3. Step 3: Cross multiply
    1,503,819.13x = 2,255,691.21 × 438,870.43
  4. Step 4: Simplify right side
    1,503,819.13x = 989,956,171,279.92
  5. Step 5: Solve for x
    x = 989,956,171,279.92/1,503,819.13
  6. Step 6: Final answer
    x = 658,294.71

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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.