Home / 1,025,979.81-1,538,970.12-267,819.18

Finding the Fourth Proportional to 1,025,979.81, 1,538,970.12 and 267,819.18

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Solution

The fourth proportional to 1,025,979.81, 1,538,970.12 and 267,819.18 is: 401,728.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,979.81 : 1,538,970.12 = 267,819.18 : x
  2. Step 2: Convert to fraction form
    1,025,979.81/1,538,970.12 = 267,819.18/x
  3. Step 3: Cross multiply
    1,025,979.81x = 1,538,970.12 × 267,819.18
  4. Step 4: Simplify right side
    1,025,979.81x = 412,165,715,582.90
  5. Step 5: Solve for x
    x = 412,165,715,582.90/1,025,979.81
  6. Step 6: Final answer
    x = 401,728.88

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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.