Home / 1,635,771.20-2,453,733.60-513,876.80

Finding the Fourth Proportional to 1,635,771.20, 2,453,733.60 and 513,876.80

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Solution

The fourth proportional to 1,635,771.20, 2,453,733.60 and 513,876.80 is: 770,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,771.20 : 2,453,733.60 = 513,876.80 : x
  2. Step 2: Convert to fraction form
    1,635,771.20/2,453,733.60 = 513,876.80/x
  3. Step 3: Cross multiply
    1,635,771.20x = 2,453,733.60 × 513,876.80
  4. Step 4: Simplify right side
    1,635,771.20x = 1,260,916,770,420.48
  5. Step 5: Solve for x
    x = 1,260,916,770,420.48/1,635,771.20
  6. Step 6: Final answer
    x = 770,839.33

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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.