Home / 1,049,716.76-1,449,306.34-807,572.12

Finding the Fourth Proportional to 1,049,716.76, 1,449,306.34 and 807,572.12

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Solution

The fourth proportional to 1,049,716.76, 1,449,306.34 and 807,572.12 is: 1,114,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,716.76 : 1,449,306.34 = 807,572.12 : x
  2. Step 2: Convert to fraction form
    1,049,716.76/1,449,306.34 = 807,572.12/x
  3. Step 3: Cross multiply
    1,049,716.76x = 1,449,306.34 × 807,572.12
  4. Step 4: Simplify right side
    1,049,716.76x = 1,170,419,384,257.78
  5. Step 5: Solve for x
    x = 1,170,419,384,257.78/1,049,716.76
  6. Step 6: Final answer
    x = 1,114,985.90

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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.