Home / 1,216,963.88-1,825,057.62-418,052.78

Finding the Fourth Proportional to 1,216,963.88, 1,825,057.62 and 418,052.78

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Solution

The fourth proportional to 1,216,963.88, 1,825,057.62 and 418,052.78 is: 626,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,963.88 : 1,825,057.62 = 418,052.78 : x
  2. Step 2: Convert to fraction form
    1,216,963.88/1,825,057.62 = 418,052.78/x
  3. Step 3: Cross multiply
    1,216,963.88x = 1,825,057.62 × 418,052.78
  4. Step 4: Simplify right side
    1,216,963.88x = 762,970,402,575.90
  5. Step 5: Solve for x
    x = 762,970,402,575.90/1,216,963.88
  6. Step 6: Final answer
    x = 626,945.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.