Home / 1,203,789.13-1,805,158.75-455,310.25

Finding the Fourth Proportional to 1,203,789.13, 1,805,158.75 and 455,310.25

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Solution

The fourth proportional to 1,203,789.13, 1,805,158.75 and 455,310.25 is: 682,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,789.13 : 1,805,158.75 = 455,310.25 : x
  2. Step 2: Convert to fraction form
    1,203,789.13/1,805,158.75 = 455,310.25/x
  3. Step 3: Cross multiply
    1,203,789.13x = 1,805,158.75 × 455,310.25
  4. Step 4: Simplify right side
    1,203,789.13x = 821,907,281,752.19
  5. Step 5: Solve for x
    x = 821,907,281,752.19/1,203,789.13
  6. Step 6: Final answer
    x = 682,766.82

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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.