Home / 1,169,125.60-1,755,265.20-749,221.60

Finding the Fourth Proportional to 1,169,125.60, 1,755,265.20 and 749,221.60

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Solution

The fourth proportional to 1,169,125.60, 1,755,265.20 and 749,221.60 is: 1,124,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,125.60 : 1,755,265.20 = 749,221.60 : x
  2. Step 2: Convert to fraction form
    1,169,125.60/1,755,265.20 = 749,221.60/x
  3. Step 3: Cross multiply
    1,169,125.60x = 1,755,265.20 × 749,221.60
  4. Step 4: Simplify right side
    1,169,125.60x = 1,315,082,601,568.32
  5. Step 5: Solve for x
    x = 1,315,082,601,568.32/1,169,125.60
  6. Step 6: Final answer
    x = 1,124,842.88

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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.