Home / 1,026,645.20-1,538,218.20-876,179.60

Finding the Fourth Proportional to 1,026,645.20, 1,538,218.20 and 876,179.60

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Solution

The fourth proportional to 1,026,645.20, 1,538,218.20 and 876,179.60 is: 1,312,776.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,645.20 : 1,538,218.20 = 876,179.60 : x
  2. Step 2: Convert to fraction form
    1,026,645.20/1,538,218.20 = 876,179.60/x
  3. Step 3: Cross multiply
    1,026,645.20x = 1,538,218.20 × 876,179.60
  4. Step 4: Simplify right side
    1,026,645.20x = 1,347,755,407,188.72
  5. Step 5: Solve for x
    x = 1,347,755,407,188.72/1,026,645.20
  6. Step 6: Final answer
    x = 1,312,776.22

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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.