Home / 1,327,222-1,990,840.29-329,950

Finding the Fourth Proportional to 1,327,222, 1,990,840.29 and 329,950

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Solution

The fourth proportional to 1,327,222, 1,990,840.29 and 329,950 is: 494,926.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,222 : 1,990,840.29 = 329,950 : x
  2. Step 2: Convert to fraction form
    1,327,222/1,990,840.29 = 329,950/x
  3. Step 3: Cross multiply
    1,327,222x = 1,990,840.29 × 329,950
  4. Step 4: Simplify right side
    1,327,222x = 656,877,753,685.50
  5. Step 5: Solve for x
    x = 656,877,753,685.50/1,327,222
  6. Step 6: Final answer
    x = 494,926.81

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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.