Home / 1,319,777.25-1,821,273.15-775,974.21

Finding the Fourth Proportional to 1,319,777.25, 1,821,273.15 and 775,974.21

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Solution

The fourth proportional to 1,319,777.25, 1,821,273.15 and 775,974.21 is: 1,070,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,777.25 : 1,821,273.15 = 775,974.21 : x
  2. Step 2: Convert to fraction form
    1,319,777.25/1,821,273.15 = 775,974.21/x
  3. Step 3: Cross multiply
    1,319,777.25x = 1,821,273.15 × 775,974.21
  4. Step 4: Simplify right side
    1,319,777.25x = 1,413,260,993,765.46
  5. Step 5: Solve for x
    x = 1,413,260,993,765.46/1,319,777.25
  6. Step 6: Final answer
    x = 1,070,832.97

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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.