Home / 1,382,587.15-1,908,083.85-762,513.59

Finding the Fourth Proportional to 1,382,587.15, 1,908,083.85 and 762,513.59

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Solution

The fourth proportional to 1,382,587.15, 1,908,083.85 and 762,513.59 is: 1,052,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,587.15 : 1,908,083.85 = 762,513.59 : x
  2. Step 2: Convert to fraction form
    1,382,587.15/1,908,083.85 = 762,513.59/x
  3. Step 3: Cross multiply
    1,382,587.15x = 1,908,083.85 × 762,513.59
  4. Step 4: Simplify right side
    1,382,587.15x = 1,454,939,859,540.01
  5. Step 5: Solve for x
    x = 1,454,939,859,540.01/1,382,587.15
  6. Step 6: Final answer
    x = 1,052,331.39

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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.