Home / 1,486,021.22-2,228,310.78-726,973.64

Finding the Fourth Proportional to 1,486,021.22, 2,228,310.78 and 726,973.64

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Solution

The fourth proportional to 1,486,021.22, 2,228,310.78 and 726,973.64 is: 1,090,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,021.22 : 2,228,310.78 = 726,973.64 : x
  2. Step 2: Convert to fraction form
    1,486,021.22/2,228,310.78 = 726,973.64/x
  3. Step 3: Cross multiply
    1,486,021.22x = 2,228,310.78 × 726,973.64
  4. Step 4: Simplify right side
    1,486,021.22x = 1,619,923,198,787.84
  5. Step 5: Solve for x
    x = 1,619,923,198,787.84/1,486,021.22
  6. Step 6: Final answer
    x = 1,090,107.72

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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.