Home / 1,367,860.28-1,887,588.42-755,981.40

Finding the Fourth Proportional to 1,367,860.28, 1,887,588.42 and 755,981.40

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Solution

The fourth proportional to 1,367,860.28, 1,887,588.42 and 755,981.40 is: 1,043,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,860.28 : 1,887,588.42 = 755,981.40 : x
  2. Step 2: Convert to fraction form
    1,367,860.28/1,887,588.42 = 755,981.40/x
  3. Step 3: Cross multiply
    1,367,860.28x = 1,887,588.42 × 755,981.40
  4. Step 4: Simplify right side
    1,367,860.28x = 1,426,981,736,375.39
  5. Step 5: Solve for x
    x = 1,426,981,736,375.39/1,367,860.28
  6. Step 6: Final answer
    x = 1,043,221.85

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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.