Home / 1,431,799.38-1,976,183.69-908,171.46

Finding the Fourth Proportional to 1,431,799.38, 1,976,183.69 and 908,171.46

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Solution

The fourth proportional to 1,431,799.38, 1,976,183.69 and 908,171.46 is: 1,253,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,799.38 : 1,976,183.69 = 908,171.46 : x
  2. Step 2: Convert to fraction form
    1,431,799.38/1,976,183.69 = 908,171.46/x
  3. Step 3: Cross multiply
    1,431,799.38x = 1,976,183.69 × 908,171.46
  4. Step 4: Simplify right side
    1,431,799.38x = 1,794,713,622,434.63
  5. Step 5: Solve for x
    x = 1,794,713,622,434.63/1,431,799.38
  6. Step 6: Final answer
    x = 1,253,467.24

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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.