Home / 1,327,263-1,990,902.06-329,991

Finding the Fourth Proportional to 1,327,263, 1,990,902.06 and 329,991

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Solution

The fourth proportional to 1,327,263, 1,990,902.06 and 329,991 is: 494,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,263 : 1,990,902.06 = 329,991 : x
  2. Step 2: Convert to fraction form
    1,327,263/1,990,902.06 = 329,991/x
  3. Step 3: Cross multiply
    1,327,263x = 1,990,902.06 × 329,991
  4. Step 4: Simplify right side
    1,327,263x = 656,979,761,681.46
  5. Step 5: Solve for x
    x = 656,979,761,681.46/1,327,263
  6. Step 6: Final answer
    x = 494,988.38

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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.