Home / 1,377,867.15-1,901,348.97-765,982.65

Finding the Fourth Proportional to 1,377,867.15, 1,901,348.97 and 765,982.65

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Solution

The fourth proportional to 1,377,867.15, 1,901,348.97 and 765,982.65 is: 1,056,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,867.15 : 1,901,348.97 = 765,982.65 : x
  2. Step 2: Convert to fraction form
    1,377,867.15/1,901,348.97 = 765,982.65/x
  3. Step 3: Cross multiply
    1,377,867.15x = 1,901,348.97 × 765,982.65
  4. Step 4: Simplify right side
    1,377,867.15x = 1,456,400,328,484.01
  5. Step 5: Solve for x
    x = 1,456,400,328,484.01/1,377,867.15
  6. Step 6: Final answer
    x = 1,056,996.19

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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.