Home / 851,867.40-1,277,801.10-725,215.80

Finding the Fourth Proportional to 851,867.40, 1,277,801.10 and 725,215.80

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Solution

The fourth proportional to 851,867.40, 1,277,801.10 and 725,215.80 is: 1,087,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,867.40 : 1,277,801.10 = 725,215.80 : x
  2. Step 2: Convert to fraction form
    851,867.40/1,277,801.10 = 725,215.80/x
  3. Step 3: Cross multiply
    851,867.40x = 1,277,801.10 × 725,215.80
  4. Step 4: Simplify right side
    851,867.40x = 926,681,546,977.38
  5. Step 5: Solve for x
    x = 926,681,546,977.38/851,867.40
  6. Step 6: Final answer
    x = 1,087,823.70

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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.