Home / 819,275.06-1,131,083.95-728,379.44

Finding the Fourth Proportional to 819,275.06, 1,131,083.95 and 728,379.44

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Solution

The fourth proportional to 819,275.06, 1,131,083.95 and 728,379.44 is: 1,005,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,275.06 : 1,131,083.95 = 728,379.44 : x
  2. Step 2: Convert to fraction form
    819,275.06/1,131,083.95 = 728,379.44/x
  3. Step 3: Cross multiply
    819,275.06x = 1,131,083.95 × 728,379.44
  4. Step 4: Simplify right side
    819,275.06x = 823,858,292,224.90
  5. Step 5: Solve for x
    x = 823,858,292,224.90/819,275.06
  6. Step 6: Final answer
    x = 1,005,594.26

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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.