Home / 1,635,630.80-2,453,446.20-513,813.20

Finding the Fourth Proportional to 1,635,630.80, 2,453,446.20 and 513,813.20

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Solution

The fourth proportional to 1,635,630.80, 2,453,446.20 and 513,813.20 is: 770,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,630.80 : 2,453,446.20 = 513,813.20 : x
  2. Step 2: Convert to fraction form
    1,635,630.80/2,453,446.20 = 513,813.20/x
  3. Step 3: Cross multiply
    1,635,630.80x = 2,453,446.20 × 513,813.20
  4. Step 4: Simplify right side
    1,635,630.80x = 1,260,613,043,049.84
  5. Step 5: Solve for x
    x = 1,260,613,043,049.84/1,635,630.80
  6. Step 6: Final answer
    x = 770,719.80

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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.