Home / 1,122,080.30-1,680,751.20-743,182.55

Finding the Fourth Proportional to 1,122,080.30, 1,680,751.20 and 743,182.55

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Solution

The fourth proportional to 1,122,080.30, 1,680,751.20 and 743,182.55 is: 1,113,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,080.30 : 1,680,751.20 = 743,182.55 : x
  2. Step 2: Convert to fraction form
    1,122,080.30/1,680,751.20 = 743,182.55/x
  3. Step 3: Cross multiply
    1,122,080.30x = 1,680,751.20 × 743,182.55
  4. Step 4: Simplify right side
    1,122,080.30x = 1,249,104,962,731.56
  5. Step 5: Solve for x
    x = 1,249,104,962,731.56/1,122,080.30
  6. Step 6: Final answer
    x = 1,113,204.61

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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.