Home / 725,102.85-1,087,654.28-725,102.85

Finding the Fourth Proportional to 725,102.85, 1,087,654.28 and 725,102.85

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Solution

The fourth proportional to 725,102.85, 1,087,654.28 and 725,102.85 is: 1,087,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,102.85 : 1,087,654.28 = 725,102.85 : x
  2. Step 2: Convert to fraction form
    725,102.85/1,087,654.28 = 725,102.85/x
  3. Step 3: Cross multiply
    725,102.85x = 1,087,654.28 × 725,102.85
  4. Step 4: Simplify right side
    725,102.85x = 788,661,214,617.18
  5. Step 5: Solve for x
    x = 788,661,214,617.18/725,102.85
  6. Step 6: Final answer
    x = 1,087,654.28

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1.5x scale

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.