Home / 1,213,177.12-1,674,168.50-669,335.80

Finding the Fourth Proportional to 1,213,177.12, 1,674,168.50 and 669,335.80

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Solution

The fourth proportional to 1,213,177.12, 1,674,168.50 and 669,335.80 is: 923,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,177.12 : 1,674,168.50 = 669,335.80 : x
  2. Step 2: Convert to fraction form
    1,213,177.12/1,674,168.50 = 669,335.80/x
  3. Step 3: Cross multiply
    1,213,177.12x = 1,674,168.50 × 669,335.80
  4. Step 4: Simplify right side
    1,213,177.12x = 1,120,580,912,282.30
  5. Step 5: Solve for x
    x = 1,120,580,912,282.30/1,213,177.12
  6. Step 6: Final answer
    x = 923,674.62

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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.