Home / 1,753,248.66-2,419,381.49-978,928.52

Finding the Fourth Proportional to 1,753,248.66, 2,419,381.49 and 978,928.52

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Solution

The fourth proportional to 1,753,248.66, 2,419,381.49 and 978,928.52 is: 1,350,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,248.66 : 2,419,381.49 = 978,928.52 : x
  2. Step 2: Convert to fraction form
    1,753,248.66/2,419,381.49 = 978,928.52/x
  3. Step 3: Cross multiply
    1,753,248.66x = 2,419,381.49 × 978,928.52
  4. Step 4: Simplify right side
    1,753,248.66x = 2,368,401,541,321.10
  5. Step 5: Solve for x
    x = 2,368,401,541,321.10/1,753,248.66
  6. Step 6: Final answer
    x = 1,350,864.60

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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.