Home / 1,327,241.34-1,990,869.12-329,969.34

Finding the Fourth Proportional to 1,327,241.34, 1,990,869.12 and 329,969.34

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Solution

The fourth proportional to 1,327,241.34, 1,990,869.12 and 329,969.34 is: 494,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,241.34 : 1,990,869.12 = 329,969.34 : x
  2. Step 2: Convert to fraction form
    1,327,241.34/1,990,869.12 = 329,969.34/x
  3. Step 3: Cross multiply
    1,327,241.34x = 1,990,869.12 × 329,969.34
  4. Step 4: Simplify right side
    1,327,241.34x = 656,925,769,552.78
  5. Step 5: Solve for x
    x = 656,925,769,552.78/1,327,241.34
  6. Step 6: Final answer
    x = 494,955.78

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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.