Home / 1,244,398.20-1,868,565.60-945,216.60

Finding the Fourth Proportional to 1,244,398.20, 1,868,565.60 and 945,216.60

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Solution

The fourth proportional to 1,244,398.20, 1,868,565.60 and 945,216.60 is: 1,419,319.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,398.20 : 1,868,565.60 = 945,216.60 : x
  2. Step 2: Convert to fraction form
    1,244,398.20/1,868,565.60 = 945,216.60/x
  3. Step 3: Cross multiply
    1,244,398.20x = 1,868,565.60 × 945,216.60
  4. Step 4: Simplify right side
    1,244,398.20x = 1,766,199,223,308.96
  5. Step 5: Solve for x
    x = 1,766,199,223,308.96/1,244,398.20
  6. Step 6: Final answer
    x = 1,419,319.98

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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.