Home / 1,248,736.13-1,722,086.39-828,889.43

Finding the Fourth Proportional to 1,248,736.13, 1,722,086.39 and 828,889.43

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Solution

The fourth proportional to 1,248,736.13, 1,722,086.39 and 828,889.43 is: 1,143,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,736.13 : 1,722,086.39 = 828,889.43 : x
  2. Step 2: Convert to fraction form
    1,248,736.13/1,722,086.39 = 828,889.43/x
  3. Step 3: Cross multiply
    1,248,736.13x = 1,722,086.39 × 828,889.43
  4. Step 4: Simplify right side
    1,248,736.13x = 1,427,419,193,462.98
  5. Step 5: Solve for x
    x = 1,427,419,193,462.98/1,248,736.13
  6. Step 6: Final answer
    x = 1,143,091.13

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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.