Home / 1,278,850.44-1,764,813.78-705,890.73

Finding the Fourth Proportional to 1,278,850.44, 1,764,813.78 and 705,890.73

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Solution

The fourth proportional to 1,278,850.44, 1,764,813.78 and 705,890.73 is: 974,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,850.44 : 1,764,813.78 = 705,890.73 : x
  2. Step 2: Convert to fraction form
    1,278,850.44/1,764,813.78 = 705,890.73/x
  3. Step 3: Cross multiply
    1,278,850.44x = 1,764,813.78 × 705,890.73
  4. Step 4: Simplify right side
    1,278,850.44x = 1,245,765,687,478.26
  5. Step 5: Solve for x
    x = 1,245,765,687,478.26/1,278,850.44
  6. Step 6: Final answer
    x = 974,129.30

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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.