Home / 1,125,882.60-1,690,052.70-628,218.60

Finding the Fourth Proportional to 1,125,882.60, 1,690,052.70 and 628,218.60

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Solution

The fourth proportional to 1,125,882.60, 1,690,052.70 and 628,218.60 is: 943,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,882.60 : 1,690,052.70 = 628,218.60 : x
  2. Step 2: Convert to fraction form
    1,125,882.60/1,690,052.70 = 628,218.60/x
  3. Step 3: Cross multiply
    1,125,882.60x = 1,690,052.70 × 628,218.60
  4. Step 4: Simplify right side
    1,125,882.60x = 1,061,722,541,120.22
  5. Step 5: Solve for x
    x = 1,061,722,541,120.22/1,125,882.60
  6. Step 6: Final answer
    x = 943,013.54

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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.