Home / 1,147,487.28-1,719,656.28-726,008.64

Finding the Fourth Proportional to 1,147,487.28, 1,719,656.28 and 726,008.64

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Solution

The fourth proportional to 1,147,487.28, 1,719,656.28 and 726,008.64 is: 1,088,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,487.28 : 1,719,656.28 = 726,008.64 : x
  2. Step 2: Convert to fraction form
    1,147,487.28/1,719,656.28 = 726,008.64/x
  3. Step 3: Cross multiply
    1,147,487.28x = 1,719,656.28 × 726,008.64
  4. Step 4: Simplify right side
    1,147,487.28x = 1,248,485,317,110.26
  5. Step 5: Solve for x
    x = 1,248,485,317,110.26/1,147,487.28
  6. Step 6: Final answer
    x = 1,088,016.69

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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.