Home / 1,200,672.90-1,801,278-632,321.58

Finding the Fourth Proportional to 1,200,672.90, 1,801,278 and 632,321.58

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Solution

The fourth proportional to 1,200,672.90, 1,801,278 and 632,321.58 is: 948,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,672.90 : 1,801,278 = 632,321.58 : x
  2. Step 2: Convert to fraction form
    1,200,672.90/1,801,278 = 632,321.58/x
  3. Step 3: Cross multiply
    1,200,672.90x = 1,801,278 × 632,321.58
  4. Step 4: Simplify right side
    1,200,672.90x = 1,138,986,950,979.24
  5. Step 5: Solve for x
    x = 1,138,986,950,979.24/1,200,672.90
  6. Step 6: Final answer
    x = 948,623.85

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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.