Home / 1,203,422.40-1,805,133.60-404,620.65

Finding the Fourth Proportional to 1,203,422.40, 1,805,133.60 and 404,620.65

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Solution

The fourth proportional to 1,203,422.40, 1,805,133.60 and 404,620.65 is: 606,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,422.40 : 1,805,133.60 = 404,620.65 : x
  2. Step 2: Convert to fraction form
    1,203,422.40/1,805,133.60 = 404,620.65/x
  3. Step 3: Cross multiply
    1,203,422.40x = 1,805,133.60 × 404,620.65
  4. Step 4: Simplify right side
    1,203,422.40x = 730,394,330,568.84
  5. Step 5: Solve for x
    x = 730,394,330,568.84/1,203,422.40
  6. Step 6: Final answer
    x = 606,930.98

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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.