Home / 1,256,943.97-1,885,419.82-310,314.79

Finding the Fourth Proportional to 1,256,943.97, 1,885,419.82 and 310,314.79

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Solution

The fourth proportional to 1,256,943.97, 1,885,419.82 and 310,314.79 is: 465,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,943.97 : 1,885,419.82 = 310,314.79 : x
  2. Step 2: Convert to fraction form
    1,256,943.97/1,885,419.82 = 310,314.79/x
  3. Step 3: Cross multiply
    1,256,943.97x = 1,885,419.82 × 310,314.79
  4. Step 4: Simplify right side
    1,256,943.97x = 585,073,645,302.25
  5. Step 5: Solve for x
    x = 585,073,645,302.25/1,256,943.97
  6. Step 6: Final answer
    x = 465,473.13

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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.