Home / 1,489,921.58-2,055,846.51-938,551.56

Finding the Fourth Proportional to 1,489,921.58, 2,055,846.51 and 938,551.56

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Solution

The fourth proportional to 1,489,921.58, 2,055,846.51 and 938,551.56 is: 1,295,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,921.58 : 2,055,846.51 = 938,551.56 : x
  2. Step 2: Convert to fraction form
    1,489,921.58/2,055,846.51 = 938,551.56/x
  3. Step 3: Cross multiply
    1,489,921.58x = 2,055,846.51 × 938,551.56
  4. Step 4: Simplify right side
    1,489,921.58x = 1,929,517,949,081.06
  5. Step 5: Solve for x
    x = 1,929,517,949,081.06/1,489,921.58
  6. Step 6: Final answer
    x = 1,295,046.65

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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.