Home / 1,125,179.28-1,552,749.12-615,913.92

Finding the Fourth Proportional to 1,125,179.28, 1,552,749.12 and 615,913.92

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Solution

The fourth proportional to 1,125,179.28, 1,552,749.12 and 615,913.92 is: 849,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,179.28 : 1,552,749.12 = 615,913.92 : x
  2. Step 2: Convert to fraction form
    1,125,179.28/1,552,749.12 = 615,913.92/x
  3. Step 3: Cross multiply
    1,125,179.28x = 1,552,749.12 × 615,913.92
  4. Step 4: Simplify right side
    1,125,179.28x = 956,359,797,275.75
  5. Step 5: Solve for x
    x = 956,359,797,275.75/1,125,179.28
  6. Step 6: Final answer
    x = 849,962.15

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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.