Home / 1,269,827.28-1,904,799.24-323,206.20

Finding the Fourth Proportional to 1,269,827.28, 1,904,799.24 and 323,206.20

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Solution

The fourth proportional to 1,269,827.28, 1,904,799.24 and 323,206.20 is: 484,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,827.28 : 1,904,799.24 = 323,206.20 : x
  2. Step 2: Convert to fraction form
    1,269,827.28/1,904,799.24 = 323,206.20/x
  3. Step 3: Cross multiply
    1,269,827.28x = 1,904,799.24 × 323,206.20
  4. Step 4: Simplify right side
    1,269,827.28x = 615,642,924,123.29
  5. Step 5: Solve for x
    x = 615,642,924,123.29/1,269,827.28
  6. Step 6: Final answer
    x = 484,824.14

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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.