Home / 1,248,821.28-1,723,378.55-675,861.39

Finding the Fourth Proportional to 1,248,821.28, 1,723,378.55 and 675,861.39

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Solution

The fourth proportional to 1,248,821.28, 1,723,378.55 and 675,861.39 is: 932,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,821.28 : 1,723,378.55 = 675,861.39 : x
  2. Step 2: Convert to fraction form
    1,248,821.28/1,723,378.55 = 675,861.39/x
  3. Step 3: Cross multiply
    1,248,821.28x = 1,723,378.55 × 675,861.39
  4. Step 4: Simplify right side
    1,248,821.28x = 1,164,765,018,919.88
  5. Step 5: Solve for x
    x = 1,164,765,018,919.88/1,248,821.28
  6. Step 6: Final answer
    x = 932,691.52

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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.