Home / 1,145,115.20-1,580,110.26-635,719.16

Finding the Fourth Proportional to 1,145,115.20, 1,580,110.26 and 635,719.16

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Solution

The fourth proportional to 1,145,115.20, 1,580,110.26 and 635,719.16 is: 877,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,115.20 : 1,580,110.26 = 635,719.16 : x
  2. Step 2: Convert to fraction form
    1,145,115.20/1,580,110.26 = 635,719.16/x
  3. Step 3: Cross multiply
    1,145,115.20x = 1,580,110.26 × 635,719.16
  4. Step 4: Simplify right side
    1,145,115.20x = 1,004,506,367,194.58
  5. Step 5: Solve for x
    x = 1,004,506,367,194.58/1,145,115.20
  6. Step 6: Final answer
    x = 877,209.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.