Home / 1,043,124.20-1,565,723.10-511,245.80

Finding the Fourth Proportional to 1,043,124.20, 1,565,723.10 and 511,245.80

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Solution

The fourth proportional to 1,043,124.20, 1,565,723.10 and 511,245.80 is: 767,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,124.20 : 1,565,723.10 = 511,245.80 : x
  2. Step 2: Convert to fraction form
    1,043,124.20/1,565,723.10 = 511,245.80/x
  3. Step 3: Cross multiply
    1,043,124.20x = 1,565,723.10 × 511,245.80
  4. Step 4: Simplify right side
    1,043,124.20x = 800,469,358,837.98
  5. Step 5: Solve for x
    x = 800,469,358,837.98/1,043,124.20
  6. Step 6: Final answer
    x = 767,376.85

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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.