Home / 1,047,875.20-1,570,891.20-627,318.40

Finding the Fourth Proportional to 1,047,875.20, 1,570,891.20 and 627,318.40

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Solution

The fourth proportional to 1,047,875.20, 1,570,891.20 and 627,318.40 is: 940,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,875.20 : 1,570,891.20 = 627,318.40 : x
  2. Step 2: Convert to fraction form
    1,047,875.20/1,570,891.20 = 627,318.40/x
  3. Step 3: Cross multiply
    1,047,875.20x = 1,570,891.20 × 627,318.40
  4. Step 4: Simplify right side
    1,047,875.20x = 985,448,954,158.08
  5. Step 5: Solve for x
    x = 985,448,954,158.08/1,047,875.20
  6. Step 6: Final answer
    x = 940,425.88

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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.