Home / 1,269,809.28-1,904,772.24-323,188.20

Finding the Fourth Proportional to 1,269,809.28, 1,904,772.24 and 323,188.20

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Solution

The fourth proportional to 1,269,809.28, 1,904,772.24 and 323,188.20 is: 484,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,809.28 : 1,904,772.24 = 323,188.20 : x
  2. Step 2: Convert to fraction form
    1,269,809.28/1,904,772.24 = 323,188.20/x
  3. Step 3: Cross multiply
    1,269,809.28x = 1,904,772.24 × 323,188.20
  4. Step 4: Simplify right side
    1,269,809.28x = 615,599,911,655.57
  5. Step 5: Solve for x
    x = 615,599,911,655.57/1,269,809.28
  6. Step 6: Final answer
    x = 484,797.14

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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.