Home / 1,170,534.72-1,615,469-661,269.88

Finding the Fourth Proportional to 1,170,534.72, 1,615,469 and 661,269.88

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Solution

The fourth proportional to 1,170,534.72, 1,615,469 and 661,269.88 is: 912,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,534.72 : 1,615,469 = 661,269.88 : x
  2. Step 2: Convert to fraction form
    1,170,534.72/1,615,469 = 661,269.88/x
  3. Step 3: Cross multiply
    1,170,534.72x = 1,615,469 × 661,269.88
  4. Step 4: Simplify right side
    1,170,534.72x = 1,068,260,991,773.72
  5. Step 5: Solve for x
    x = 1,068,260,991,773.72/1,170,534.72
  6. Step 6: Final answer
    x = 912,626.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.