Home / 1,246,949.28-1,870,268.40-499,001.76

Finding the Fourth Proportional to 1,246,949.28, 1,870,268.40 and 499,001.76

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Solution

The fourth proportional to 1,246,949.28, 1,870,268.40 and 499,001.76 is: 748,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,949.28 : 1,870,268.40 = 499,001.76 : x
  2. Step 2: Convert to fraction form
    1,246,949.28/1,870,268.40 = 499,001.76/x
  3. Step 3: Cross multiply
    1,246,949.28x = 1,870,268.40 × 499,001.76
  4. Step 4: Simplify right side
    1,246,949.28x = 933,267,223,272.38
  5. Step 5: Solve for x
    x = 933,267,223,272.38/1,246,949.28
  6. Step 6: Final answer
    x = 748,440.40

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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.