Home / 1,479,168.20-2,217,002.70-768,830.60

Finding the Fourth Proportional to 1,479,168.20, 2,217,002.70 and 768,830.60

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Solution

The fourth proportional to 1,479,168.20, 2,217,002.70 and 768,830.60 is: 1,152,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,168.20 : 2,217,002.70 = 768,830.60 : x
  2. Step 2: Convert to fraction form
    1,479,168.20/2,217,002.70 = 768,830.60/x
  3. Step 3: Cross multiply
    1,479,168.20x = 2,217,002.70 × 768,830.60
  4. Step 4: Simplify right side
    1,479,168.20x = 1,704,499,516,042.62
  5. Step 5: Solve for x
    x = 1,704,499,516,042.62/1,479,168.20
  6. Step 6: Final answer
    x = 1,152,336.51

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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.