Home / 1,391,391.27-2,086,840.87-633,054.49

Finding the Fourth Proportional to 1,391,391.27, 2,086,840.87 and 633,054.49

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Solution

The fourth proportional to 1,391,391.27, 2,086,840.87 and 633,054.49 is: 949,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,391.27 : 2,086,840.87 = 633,054.49 : x
  2. Step 2: Convert to fraction form
    1,391,391.27/2,086,840.87 = 633,054.49/x
  3. Step 3: Cross multiply
    1,391,391.27x = 2,086,840.87 × 633,054.49
  4. Step 4: Simplify right side
    1,391,391.27x = 1,321,083,975,869.27
  5. Step 5: Solve for x
    x = 1,321,083,975,869.27/1,391,391.27
  6. Step 6: Final answer
    x = 949,469.79

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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.