Home / 1,244,289.20-1,868,402.10-945,107.60

Finding the Fourth Proportional to 1,244,289.20, 1,868,402.10 and 945,107.60

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Solution

The fourth proportional to 1,244,289.20, 1,868,402.10 and 945,107.60 is: 1,419,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,289.20 : 1,868,402.10 = 945,107.60 : x
  2. Step 2: Convert to fraction form
    1,244,289.20/1,868,402.10 = 945,107.60/x
  3. Step 3: Cross multiply
    1,244,289.20x = 1,868,402.10 × 945,107.60
  4. Step 4: Simplify right side
    1,244,289.20x = 1,765,841,024,565.96
  5. Step 5: Solve for x
    x = 1,765,841,024,565.96/1,244,289.20
  6. Step 6: Final answer
    x = 1,419,156.43

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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.