Home / 1,802,940.80-2,488,058.51-987,144.57

Finding the Fourth Proportional to 1,802,940.80, 2,488,058.51 and 987,144.57

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Solution

The fourth proportional to 1,802,940.80, 2,488,058.51 and 987,144.57 is: 1,362,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,940.80 : 2,488,058.51 = 987,144.57 : x
  2. Step 2: Convert to fraction form
    1,802,940.80/2,488,058.51 = 987,144.57/x
  3. Step 3: Cross multiply
    1,802,940.80x = 2,488,058.51 × 987,144.57
  4. Step 4: Simplify right side
    1,802,940.80x = 2,456,073,443,053.07
  5. Step 5: Solve for x
    x = 2,456,073,443,053.07/1,802,940.80
  6. Step 6: Final answer
    x = 1,362,259.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.