Home / 1,327,155.34-1,990,740.31-329,883.34

Finding the Fourth Proportional to 1,327,155.34, 1,990,740.31 and 329,883.34

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Solution

The fourth proportional to 1,327,155.34, 1,990,740.31 and 329,883.34 is: 494,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,155.34 : 1,990,740.31 = 329,883.34 : x
  2. Step 2: Convert to fraction form
    1,327,155.34/1,990,740.31 = 329,883.34/x
  3. Step 3: Cross multiply
    1,327,155.34x = 1,990,740.31 × 329,883.34
  4. Step 4: Simplify right side
    1,327,155.34x = 656,712,062,535.44
  5. Step 5: Solve for x
    x = 656,712,062,535.44/1,327,155.34
  6. Step 6: Final answer
    x = 494,826.82

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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.