Home / 1,431,900.62-1,976,022.44-787,362.56

Finding the Fourth Proportional to 1,431,900.62, 1,976,022.44 and 787,362.56

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Solution

The fourth proportional to 1,431,900.62, 1,976,022.44 and 787,362.56 is: 1,086,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,900.62 : 1,976,022.44 = 787,362.56 : x
  2. Step 2: Convert to fraction form
    1,431,900.62/1,976,022.44 = 787,362.56/x
  3. Step 3: Cross multiply
    1,431,900.62x = 1,976,022.44 × 787,362.56
  4. Step 4: Simplify right side
    1,431,900.62x = 1,555,846,083,521.62
  5. Step 5: Solve for x
    x = 1,555,846,083,521.62/1,431,900.62
  6. Step 6: Final answer
    x = 1,086,560.10

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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.