Home / 1,380,710.68-2,071,016.82-482,148.92

Finding the Fourth Proportional to 1,380,710.68, 2,071,016.82 and 482,148.92

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Solution

The fourth proportional to 1,380,710.68, 2,071,016.82 and 482,148.92 is: 723,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,710.68 : 2,071,016.82 = 482,148.92 : x
  2. Step 2: Convert to fraction form
    1,380,710.68/2,071,016.82 = 482,148.92/x
  3. Step 3: Cross multiply
    1,380,710.68x = 2,071,016.82 × 482,148.92
  4. Step 4: Simplify right side
    1,380,710.68x = 998,538,528,242.38
  5. Step 5: Solve for x
    x = 998,538,528,242.38/1,380,710.68
  6. Step 6: Final answer
    x = 723,206.20

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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.