Home / 1,206,509.22-1,809,986.34-396,939.18

Finding the Fourth Proportional to 1,206,509.22, 1,809,986.34 and 396,939.18

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Solution

The fourth proportional to 1,206,509.22, 1,809,986.34 and 396,939.18 is: 595,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,509.22 : 1,809,986.34 = 396,939.18 : x
  2. Step 2: Convert to fraction form
    1,206,509.22/1,809,986.34 = 396,939.18/x
  3. Step 3: Cross multiply
    1,206,509.22x = 1,809,986.34 × 396,939.18
  4. Step 4: Simplify right side
    1,206,509.22x = 718,454,493,610.80
  5. Step 5: Solve for x
    x = 718,454,493,610.80/1,206,509.22
  6. Step 6: Final answer
    x = 595,481.98

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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.