Home / 1,428,564.98-2,142,716.25-481,943.90

Finding the Fourth Proportional to 1,428,564.98, 2,142,716.25 and 481,943.90

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Solution

The fourth proportional to 1,428,564.98, 2,142,716.25 and 481,943.90 is: 722,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,564.98 : 2,142,716.25 = 481,943.90 : x
  2. Step 2: Convert to fraction form
    1,428,564.98/2,142,716.25 = 481,943.90/x
  3. Step 3: Cross multiply
    1,428,564.98x = 2,142,716.25 × 481,943.90
  4. Step 4: Simplify right side
    1,428,564.98x = 1,032,669,033,282.46
  5. Step 5: Solve for x
    x = 1,032,669,033,282.46/1,428,564.98
  6. Step 6: Final answer
    x = 722,871.59

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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.