Home / 1,047,871.20-1,570,885.20-627,314.40

Finding the Fourth Proportional to 1,047,871.20, 1,570,885.20 and 627,314.40

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Solution

The fourth proportional to 1,047,871.20, 1,570,885.20 and 627,314.40 is: 940,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,871.20 : 1,570,885.20 = 627,314.40 : x
  2. Step 2: Convert to fraction form
    1,047,871.20/1,570,885.20 = 627,314.40/x
  3. Step 3: Cross multiply
    1,047,871.20x = 1,570,885.20 × 627,314.40
  4. Step 4: Simplify right side
    1,047,871.20x = 985,438,906,706.88
  5. Step 5: Solve for x
    x = 985,438,906,706.88/1,047,871.20
  6. Step 6: Final answer
    x = 940,419.88

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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.