Home / 1,253,443.08-1,728,080.94-996,178.92

Finding the Fourth Proportional to 1,253,443.08, 1,728,080.94 and 996,178.92

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Solution

The fourth proportional to 1,253,443.08, 1,728,080.94 and 996,178.92 is: 1,373,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,443.08 : 1,728,080.94 = 996,178.92 : x
  2. Step 2: Convert to fraction form
    1,253,443.08/1,728,080.94 = 996,178.92/x
  3. Step 3: Cross multiply
    1,253,443.08x = 1,728,080.94 × 996,178.92
  4. Step 4: Simplify right side
    1,253,443.08x = 1,721,477,804,481.79
  5. Step 5: Solve for x
    x = 1,721,477,804,481.79/1,253,443.08
  6. Step 6: Final answer
    x = 1,373,399.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.