Home / 1,489,904.70-2,233,301.85-814,947.90

Finding the Fourth Proportional to 1,489,904.70, 2,233,301.85 and 814,947.90

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Solution

The fourth proportional to 1,489,904.70, 2,233,301.85 and 814,947.90 is: 1,221,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,904.70 : 2,233,301.85 = 814,947.90 : x
  2. Step 2: Convert to fraction form
    1,489,904.70/2,233,301.85 = 814,947.90/x
  3. Step 3: Cross multiply
    1,489,904.70x = 2,233,301.85 × 814,947.90
  4. Step 4: Simplify right side
    1,489,904.70x = 1,820,024,652,723.62
  5. Step 5: Solve for x
    x = 1,820,024,652,723.62/1,489,904.70
  6. Step 6: Final answer
    x = 1,221,571.19

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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.