Home / 1,617,371.25-2,427,550.86-819,213.29

Finding the Fourth Proportional to 1,617,371.25, 2,427,550.86 and 819,213.29

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Solution

The fourth proportional to 1,617,371.25, 2,427,550.86 and 819,213.29 is: 1,229,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,371.25 : 2,427,550.86 = 819,213.29 : x
  2. Step 2: Convert to fraction form
    1,617,371.25/2,427,550.86 = 819,213.29/x
  3. Step 3: Cross multiply
    1,617,371.25x = 2,427,550.86 × 819,213.29
  4. Step 4: Simplify right side
    1,617,371.25x = 1,988,681,940,355.51
  5. Step 5: Solve for x
    x = 1,988,681,940,355.51/1,617,371.25
  6. Step 6: Final answer
    x = 1,229,576.66

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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.