Home / 1,040,091.20-1,558,387.20-889,625.60

Finding the Fourth Proportional to 1,040,091.20, 1,558,387.20 and 889,625.60

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Solution

The fourth proportional to 1,040,091.20, 1,558,387.20 and 889,625.60 is: 1,332,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,091.20 : 1,558,387.20 = 889,625.60 : x
  2. Step 2: Convert to fraction form
    1,040,091.20/1,558,387.20 = 889,625.60/x
  3. Step 3: Cross multiply
    1,040,091.20x = 1,558,387.20 × 889,625.60
  4. Step 4: Simplify right side
    1,040,091.20x = 1,386,381,147,832.32
  5. Step 5: Solve for x
    x = 1,386,381,147,832.32/1,040,091.20
  6. Step 6: Final answer
    x = 1,332,941.91

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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.