Home / 1,327,154.34-1,990,738.81-329,882.34

Finding the Fourth Proportional to 1,327,154.34, 1,990,738.81 and 329,882.34

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Solution

The fourth proportional to 1,327,154.34, 1,990,738.81 and 329,882.34 is: 494,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,154.34 : 1,990,738.81 = 329,882.34 : x
  2. Step 2: Convert to fraction form
    1,327,154.34/1,990,738.81 = 329,882.34/x
  3. Step 3: Cross multiply
    1,327,154.34x = 1,990,738.81 × 329,882.34
  4. Step 4: Simplify right side
    1,327,154.34x = 656,709,584,849.24
  5. Step 5: Solve for x
    x = 656,709,584,849.24/1,327,154.34
  6. Step 6: Final answer
    x = 494,825.33

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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.