Home / 1,753,248.87-2,419,459.88-978,891.57

Finding the Fourth Proportional to 1,753,248.87, 2,419,459.88 and 978,891.57

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Solution

The fourth proportional to 1,753,248.87, 2,419,459.88 and 978,891.57 is: 1,350,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,248.87 : 2,419,459.88 = 978,891.57 : x
  2. Step 2: Convert to fraction form
    1,753,248.87/2,419,459.88 = 978,891.57/x
  3. Step 3: Cross multiply
    1,753,248.87x = 2,419,459.88 × 978,891.57
  4. Step 4: Simplify right side
    1,753,248.87x = 2,368,388,875,590.75
  5. Step 5: Solve for x
    x = 2,368,388,875,590.75/1,753,248.87
  6. Step 6: Final answer
    x = 1,350,857.21

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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.