Home / 1,753,144.92-2,419,207.02-989,269.56

Finding the Fourth Proportional to 1,753,144.92, 2,419,207.02 and 989,269.56

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Solution

The fourth proportional to 1,753,144.92, 2,419,207.02 and 989,269.56 is: 1,365,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,144.92 : 2,419,207.02 = 989,269.56 : x
  2. Step 2: Convert to fraction form
    1,753,144.92/2,419,207.02 = 989,269.56/x
  3. Step 3: Cross multiply
    1,753,144.92x = 2,419,207.02 × 989,269.56
  4. Step 4: Simplify right side
    1,753,144.92x = 2,393,247,864,224.31
  5. Step 5: Solve for x
    x = 2,393,247,864,224.31/1,753,144.92
  6. Step 6: Final answer
    x = 1,365,116.96

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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.