Home / 1,253,634.17-1,729,997.40-709,755.82

Finding the Fourth Proportional to 1,253,634.17, 1,729,997.40 and 709,755.82

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Solution

The fourth proportional to 1,253,634.17, 1,729,997.40 and 709,755.82 is: 979,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,634.17 : 1,729,997.40 = 709,755.82 : x
  2. Step 2: Convert to fraction form
    1,253,634.17/1,729,997.40 = 709,755.82/x
  3. Step 3: Cross multiply
    1,253,634.17x = 1,729,997.40 × 709,755.82
  4. Step 4: Simplify right side
    1,253,634.17x = 1,227,875,723,234.87
  5. Step 5: Solve for x
    x = 1,227,875,723,234.87/1,253,634.17
  6. Step 6: Final answer
    x = 979,452.98

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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.