Home / 1,988,225.19-2,743,787.31-1,105,257.42

Finding the Fourth Proportional to 1,988,225.19, 2,743,787.31 and 1,105,257.42

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Solution

The fourth proportional to 1,988,225.19, 2,743,787.31 and 1,105,257.42 is: 1,525,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,225.19 : 2,743,787.31 = 1,105,257.42 : x
  2. Step 2: Convert to fraction form
    1,988,225.19/2,743,787.31 = 1,105,257.42/x
  3. Step 3: Cross multiply
    1,988,225.19x = 2,743,787.31 × 1,105,257.42
  4. Step 4: Simplify right side
    1,988,225.19x = 3,032,591,283,279.34
  5. Step 5: Solve for x
    x = 3,032,591,283,279.34/1,988,225.19
  6. Step 6: Final answer
    x = 1,525,275.56

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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.