Home / 1,327,108.70-1,990,664.40-329,836.70

Finding the Fourth Proportional to 1,327,108.70, 1,990,664.40 and 329,836.70

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Solution

The fourth proportional to 1,327,108.70, 1,990,664.40 and 329,836.70 is: 494,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,108.70 : 1,990,664.40 = 329,836.70 : x
  2. Step 2: Convert to fraction form
    1,327,108.70/1,990,664.40 = 329,836.70/x
  3. Step 3: Cross multiply
    1,327,108.70x = 1,990,664.40 × 329,836.70
  4. Step 4: Simplify right side
    1,327,108.70x = 656,594,176,503.48
  5. Step 5: Solve for x
    x = 656,594,176,503.48/1,327,108.70
  6. Step 6: Final answer
    x = 494,755.39

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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.