Home / 1,279,591.22-1,765,836.55-698,822.44

Finding the Fourth Proportional to 1,279,591.22, 1,765,836.55 and 698,822.44

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Solution

The fourth proportional to 1,279,591.22, 1,765,836.55 and 698,822.44 is: 964,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,591.22 : 1,765,836.55 = 698,822.44 : x
  2. Step 2: Convert to fraction form
    1,279,591.22/1,765,836.55 = 698,822.44/x
  3. Step 3: Cross multiply
    1,279,591.22x = 1,765,836.55 × 698,822.44
  4. Step 4: Simplify right side
    1,279,591.22x = 1,234,006,202,971.12
  5. Step 5: Solve for x
    x = 1,234,006,202,971.12/1,279,591.22
  6. Step 6: Final answer
    x = 964,375.33

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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.