Home / 1,248,781.38-1,872,023.88-449,867.58

Finding the Fourth Proportional to 1,248,781.38, 1,872,023.88 and 449,867.58

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Solution

The fourth proportional to 1,248,781.38, 1,872,023.88 and 449,867.58 is: 674,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,781.38 : 1,872,023.88 = 449,867.58 : x
  2. Step 2: Convert to fraction form
    1,248,781.38/1,872,023.88 = 449,867.58/x
  3. Step 3: Cross multiply
    1,248,781.38x = 1,872,023.88 × 449,867.58
  4. Step 4: Simplify right side
    1,248,781.38x = 842,162,852,597.81
  5. Step 5: Solve for x
    x = 842,162,852,597.81/1,248,781.38
  6. Step 6: Final answer
    x = 674,387.74

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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.