Home / 1,321,092.36-1,982,401.23-713,882.73

Finding the Fourth Proportional to 1,321,092.36, 1,982,401.23 and 713,882.73

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Solution

The fourth proportional to 1,321,092.36, 1,982,401.23 and 713,882.73 is: 1,071,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,092.36 : 1,982,401.23 = 713,882.73 : x
  2. Step 2: Convert to fraction form
    1,321,092.36/1,982,401.23 = 713,882.73/x
  3. Step 3: Cross multiply
    1,321,092.36x = 1,982,401.23 × 713,882.73
  4. Step 4: Simplify right side
    1,321,092.36x = 1,415,202,002,027.76
  5. Step 5: Solve for x
    x = 1,415,202,002,027.76/1,321,092.36
  6. Step 6: Final answer
    x = 1,071,236.23

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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.