Home / 1,644,139.32-2,268,960.05-899,108.97

Finding the Fourth Proportional to 1,644,139.32, 2,268,960.05 and 899,108.97

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Solution

The fourth proportional to 1,644,139.32, 2,268,960.05 and 899,108.97 is: 1,240,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,139.32 : 2,268,960.05 = 899,108.97 : x
  2. Step 2: Convert to fraction form
    1,644,139.32/2,268,960.05 = 899,108.97/x
  3. Step 3: Cross multiply
    1,644,139.32x = 2,268,960.05 × 899,108.97
  4. Step 4: Simplify right side
    1,644,139.32x = 2,040,042,329,031.10
  5. Step 5: Solve for x
    x = 2,040,042,329,031.10/1,644,139.32
  6. Step 6: Final answer
    x = 1,240,796.51

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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.