Home / 801,780.48-1,202,892.12-713,649.87

Finding the Fourth Proportional to 801,780.48, 1,202,892.12 and 713,649.87

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Solution

The fourth proportional to 801,780.48, 1,202,892.12 and 713,649.87 is: 1,070,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,780.48 : 1,202,892.12 = 713,649.87 : x
  2. Step 2: Convert to fraction form
    801,780.48/1,202,892.12 = 713,649.87/x
  3. Step 3: Cross multiply
    801,780.48x = 1,202,892.12 × 713,649.87
  4. Step 4: Simplify right side
    801,780.48x = 858,443,805,062.02
  5. Step 5: Solve for x
    x = 858,443,805,062.02/801,780.48
  6. Step 6: Final answer
    x = 1,070,671.87

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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.