Home / 1,304,029.78-1,954,664.10-438,640.88

Finding the Fourth Proportional to 1,304,029.78, 1,954,664.10 and 438,640.88

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Solution

The fourth proportional to 1,304,029.78, 1,954,664.10 and 438,640.88 is: 657,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,029.78 : 1,954,664.10 = 438,640.88 : x
  2. Step 2: Convert to fraction form
    1,304,029.78/1,954,664.10 = 438,640.88/x
  3. Step 3: Cross multiply
    1,304,029.78x = 1,954,664.10 × 438,640.88
  4. Step 4: Simplify right side
    1,304,029.78x = 857,395,571,155.09
  5. Step 5: Solve for x
    x = 857,395,571,155.09/1,304,029.78
  6. Step 6: Final answer
    x = 657,496.93

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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.