Home / 1,428,292.43-2,142,996.33-629,012.27

Finding the Fourth Proportional to 1,428,292.43, 2,142,996.33 and 629,012.27

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Solution

The fourth proportional to 1,428,292.43, 2,142,996.33 and 629,012.27 is: 943,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,292.43 : 2,142,996.33 = 629,012.27 : x
  2. Step 2: Convert to fraction form
    1,428,292.43/2,142,996.33 = 629,012.27/x
  3. Step 3: Cross multiply
    1,428,292.43x = 2,142,996.33 × 629,012.27
  4. Step 4: Simplify right side
    1,428,292.43x = 1,347,970,986,134.97
  5. Step 5: Solve for x
    x = 1,347,970,986,134.97/1,428,292.43
  6. Step 6: Final answer
    x = 943,764.01

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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.