Home / 1,286,912.60-1,930,379.90-327,369.03

Finding the Fourth Proportional to 1,286,912.60, 1,930,379.90 and 327,369.03

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Solution

The fourth proportional to 1,286,912.60, 1,930,379.90 and 327,369.03 is: 491,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,912.60 : 1,930,379.90 = 327,369.03 : x
  2. Step 2: Convert to fraction form
    1,286,912.60/1,930,379.90 = 327,369.03/x
  3. Step 3: Cross multiply
    1,286,912.60x = 1,930,379.90 × 327,369.03
  4. Step 4: Simplify right side
    1,286,912.60x = 631,946,593,757.65
  5. Step 5: Solve for x
    x = 631,946,593,757.65/1,286,912.60
  6. Step 6: Final answer
    x = 491,056.34

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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.