Home / 815,246.60-1,223,128.24-635,946.77

Finding the Fourth Proportional to 815,246.60, 1,223,128.24 and 635,946.77

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Solution

The fourth proportional to 815,246.60, 1,223,128.24 and 635,946.77 is: 954,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,246.60 : 1,223,128.24 = 635,946.77 : x
  2. Step 2: Convert to fraction form
    815,246.60/1,223,128.24 = 635,946.77/x
  3. Step 3: Cross multiply
    815,246.60x = 1,223,128.24 × 635,946.77
  4. Step 4: Simplify right side
    815,246.60x = 777,844,453,523.79
  5. Step 5: Solve for x
    x = 777,844,453,523.79/815,246.60
  6. Step 6: Final answer
    x = 954,121.68

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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.