Home / 1,635,704.20-2,453,633.10-513,809.80

Finding the Fourth Proportional to 1,635,704.20, 2,453,633.10 and 513,809.80

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Solution

The fourth proportional to 1,635,704.20, 2,453,633.10 and 513,809.80 is: 770,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,704.20 : 2,453,633.10 = 513,809.80 : x
  2. Step 2: Convert to fraction form
    1,635,704.20/2,453,633.10 = 513,809.80/x
  3. Step 3: Cross multiply
    1,635,704.20x = 2,453,633.10 × 513,809.80
  4. Step 4: Simplify right side
    1,635,704.20x = 1,260,700,732,384.38
  5. Step 5: Solve for x
    x = 1,260,700,732,384.38/1,635,704.20
  6. Step 6: Final answer
    x = 770,738.82

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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.