Home / 1,391,224.50-2,086,229.07-492,367.50

Finding the Fourth Proportional to 1,391,224.50, 2,086,229.07 and 492,367.50

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Solution

The fourth proportional to 1,391,224.50, 2,086,229.07 and 492,367.50 is: 738,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,224.50 : 2,086,229.07 = 492,367.50 : x
  2. Step 2: Convert to fraction form
    1,391,224.50/2,086,229.07 = 492,367.50/x
  3. Step 3: Cross multiply
    1,391,224.50x = 2,086,229.07 × 492,367.50
  4. Step 4: Simplify right side
    1,391,224.50x = 1,027,191,391,623.23
  5. Step 5: Solve for x
    x = 1,027,191,391,623.23/1,391,224.50
  6. Step 6: Final answer
    x = 738,336.19

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Double scale
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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.