Home / 1,257,791.70-1,886,796.90-404,949.18

Finding the Fourth Proportional to 1,257,791.70, 1,886,796.90 and 404,949.18

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Solution

The fourth proportional to 1,257,791.70, 1,886,796.90 and 404,949.18 is: 607,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,791.70 : 1,886,796.90 = 404,949.18 : x
  2. Step 2: Convert to fraction form
    1,257,791.70/1,886,796.90 = 404,949.18/x
  3. Step 3: Cross multiply
    1,257,791.70x = 1,886,796.90 × 404,949.18
  4. Step 4: Simplify right side
    1,257,791.70x = 764,056,857,481.54
  5. Step 5: Solve for x
    x = 764,056,857,481.54/1,257,791.70
  6. Step 6: Final answer
    x = 607,458.98

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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.