Home / 1,065,771.28-1,598,654.70-426,224.48

Finding the Fourth Proportional to 1,065,771.28, 1,598,654.70 and 426,224.48

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Solution

The fourth proportional to 1,065,771.28, 1,598,654.70 and 426,224.48 is: 639,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,771.28 : 1,598,654.70 = 426,224.48 : x
  2. Step 2: Convert to fraction form
    1,065,771.28/1,598,654.70 = 426,224.48/x
  3. Step 3: Cross multiply
    1,065,771.28x = 1,598,654.70 × 426,224.48
  4. Step 4: Simplify right side
    1,065,771.28x = 681,385,770,404.97
  5. Step 5: Solve for x
    x = 681,385,770,404.97/1,065,771.28
  6. Step 6: Final answer
    x = 639,335.83

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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.