Home / 1,609,388.78-2,220,959.39-884,230.20

Finding the Fourth Proportional to 1,609,388.78, 2,220,959.39 and 884,230.20

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Solution

The fourth proportional to 1,609,388.78, 2,220,959.39 and 884,230.20 is: 1,220,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,388.78 : 2,220,959.39 = 884,230.20 : x
  2. Step 2: Convert to fraction form
    1,609,388.78/2,220,959.39 = 884,230.20/x
  3. Step 3: Cross multiply
    1,609,388.78x = 2,220,959.39 × 884,230.20
  4. Step 4: Simplify right side
    1,609,388.78x = 1,963,839,361,190.43
  5. Step 5: Solve for x
    x = 1,963,839,361,190.43/1,609,388.78
  6. Step 6: Final answer
    x = 1,220,239.26

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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.