Home / 1,367,884.20-1,887,777.92-756,023.80

Finding the Fourth Proportional to 1,367,884.20, 1,887,777.92 and 756,023.80

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Solution

The fourth proportional to 1,367,884.20, 1,887,777.92 and 756,023.80 is: 1,043,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,884.20 : 1,887,777.92 = 756,023.80 : x
  2. Step 2: Convert to fraction form
    1,367,884.20/1,887,777.92 = 756,023.80/x
  3. Step 3: Cross multiply
    1,367,884.20x = 1,887,777.92 × 756,023.80
  4. Step 4: Simplify right side
    1,367,884.20x = 1,427,205,036,634.50
  5. Step 5: Solve for x
    x = 1,427,205,036,634.50/1,367,884.20
  6. Step 6: Final answer
    x = 1,043,366.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.