Home / 869,910.60-1,304,865.90-801,676.20

Finding the Fourth Proportional to 869,910.60, 1,304,865.90 and 801,676.20

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Solution

The fourth proportional to 869,910.60, 1,304,865.90 and 801,676.20 is: 1,202,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,910.60 : 1,304,865.90 = 801,676.20 : x
  2. Step 2: Convert to fraction form
    869,910.60/1,304,865.90 = 801,676.20/x
  3. Step 3: Cross multiply
    869,910.60x = 1,304,865.90 × 801,676.20
  4. Step 4: Simplify right side
    869,910.60x = 1,046,079,936,221.58
  5. Step 5: Solve for x
    x = 1,046,079,936,221.58/869,910.60
  6. Step 6: Final answer
    x = 1,202,514.30

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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.