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Finding the Fourth Proportional to 799,591.68, 1,198,980 and 266,921.28

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Solution

The fourth proportional to 799,591.68, 1,198,980 and 266,921.28 is: 400,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,591.68 : 1,198,980 = 266,921.28 : x
  2. Step 2: Convert to fraction form
    799,591.68/1,198,980 = 266,921.28/x
  3. Step 3: Cross multiply
    799,591.68x = 1,198,980 × 266,921.28
  4. Step 4: Simplify right side
    799,591.68x = 320,033,276,294.40
  5. Step 5: Solve for x
    x = 320,033,276,294.40/799,591.68
  6. Step 6: Final answer
    x = 400,245.88

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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.