Home / 1,270,963.52-1,906,680-418,083.20

Finding the Fourth Proportional to 1,270,963.52, 1,906,680 and 418,083.20

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Solution

The fourth proportional to 1,270,963.52, 1,906,680 and 418,083.20 is: 627,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,963.52 : 1,906,680 = 418,083.20 : x
  2. Step 2: Convert to fraction form
    1,270,963.52/1,906,680 = 418,083.20/x
  3. Step 3: Cross multiply
    1,270,963.52x = 1,906,680 × 418,083.20
  4. Step 4: Simplify right side
    1,270,963.52x = 797,150,875,776
  5. Step 5: Solve for x
    x = 797,150,875,776/1,270,963.52
  6. Step 6: Final answer
    x = 627,202.01

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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.