Home / 1,085,961.60-1,629,525.60-454,939.20

Finding the Fourth Proportional to 1,085,961.60, 1,629,525.60 and 454,939.20

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Solution

The fourth proportional to 1,085,961.60, 1,629,525.60 and 454,939.20 is: 682,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,961.60 : 1,629,525.60 = 454,939.20 : x
  2. Step 2: Convert to fraction form
    1,085,961.60/1,629,525.60 = 454,939.20/x
  3. Step 3: Cross multiply
    1,085,961.60x = 1,629,525.60 × 454,939.20
  4. Step 4: Simplify right side
    1,085,961.60x = 741,335,072,843.52
  5. Step 5: Solve for x
    x = 741,335,072,843.52/1,085,961.60
  6. Step 6: Final answer
    x = 682,653.12

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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.