Home / 815,245.60-1,223,126.74-635,945.77

Finding the Fourth Proportional to 815,245.60, 1,223,126.74 and 635,945.77

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Solution

The fourth proportional to 815,245.60, 1,223,126.74 and 635,945.77 is: 954,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,245.60 : 1,223,126.74 = 635,945.77 : x
  2. Step 2: Convert to fraction form
    815,245.60/1,223,126.74 = 635,945.77/x
  3. Step 3: Cross multiply
    815,245.60x = 1,223,126.74 × 635,945.77
  4. Step 4: Simplify right side
    815,245.60x = 777,842,273,950.65
  5. Step 5: Solve for x
    x = 777,842,273,950.65/815,245.60
  6. Step 6: Final answer
    x = 954,120.18

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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.