Home / 1,428,552.05-2,142,696.85-481,930.97

Finding the Fourth Proportional to 1,428,552.05, 2,142,696.85 and 481,930.97

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Solution

The fourth proportional to 1,428,552.05, 2,142,696.85 and 481,930.97 is: 722,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,552.05 : 2,142,696.85 = 481,930.97 : x
  2. Step 2: Convert to fraction form
    1,428,552.05/2,142,696.85 = 481,930.97/x
  3. Step 3: Cross multiply
    1,428,552.05x = 2,142,696.85 × 481,930.97
  4. Step 4: Simplify right side
    1,428,552.05x = 1,032,631,959,418.13
  5. Step 5: Solve for x
    x = 1,032,631,959,418.13/1,428,552.05
  6. Step 6: Final answer
    x = 722,852.18

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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.