Home / 971,207.22-1,340,360.70-725,765.76

Finding the Fourth Proportional to 971,207.22, 1,340,360.70 and 725,765.76

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Solution

The fourth proportional to 971,207.22, 1,340,360.70 and 725,765.76 is: 1,001,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,207.22 : 1,340,360.70 = 725,765.76 : x
  2. Step 2: Convert to fraction form
    971,207.22/1,340,360.70 = 725,765.76/x
  3. Step 3: Cross multiply
    971,207.22x = 1,340,360.70 × 725,765.76
  4. Step 4: Simplify right side
    971,207.22x = 972,787,902,685.41
  5. Step 5: Solve for x
    x = 972,787,902,685.41/971,207.22
  6. Step 6: Final answer
    x = 1,001,627.55

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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.