Home / 1,244,966.12-1,867,919.76-487,349

Finding the Fourth Proportional to 1,244,966.12, 1,867,919.76 and 487,349

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Solution

The fourth proportional to 1,244,966.12, 1,867,919.76 and 487,349 is: 731,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,966.12 : 1,867,919.76 = 487,349 : x
  2. Step 2: Convert to fraction form
    1,244,966.12/1,867,919.76 = 487,349/x
  3. Step 3: Cross multiply
    1,244,966.12x = 1,867,919.76 × 487,349
  4. Step 4: Simplify right side
    1,244,966.12x = 910,328,827,116.24
  5. Step 5: Solve for x
    x = 910,328,827,116.24/1,244,966.12
  6. Step 6: Final answer
    x = 731,207.71

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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.