Home / 1,428,348.44-2,142,529.68-481,727.36

Finding the Fourth Proportional to 1,428,348.44, 2,142,529.68 and 481,727.36

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Solution

The fourth proportional to 1,428,348.44, 2,142,529.68 and 481,727.36 is: 722,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,348.44 : 2,142,529.68 = 481,727.36 : x
  2. Step 2: Convert to fraction form
    1,428,348.44/2,142,529.68 = 481,727.36/x
  3. Step 3: Cross multiply
    1,428,348.44x = 2,142,529.68 × 481,727.36
  4. Step 4: Simplify right side
    1,428,348.44x = 1,032,115,166,468.04
  5. Step 5: Solve for x
    x = 1,032,115,166,468.04/1,428,348.44
  6. Step 6: Final answer
    x = 722,593.41

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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.