Home / 845,180.72-1,269,437.96-726,209.13

Finding the Fourth Proportional to 845,180.72, 1,269,437.96 and 726,209.13

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Solution

The fourth proportional to 845,180.72, 1,269,437.96 and 726,209.13 is: 1,090,745.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,180.72 : 1,269,437.96 = 726,209.13 : x
  2. Step 2: Convert to fraction form
    845,180.72/1,269,437.96 = 726,209.13/x
  3. Step 3: Cross multiply
    845,180.72x = 1,269,437.96 × 726,209.13
  4. Step 4: Simplify right side
    845,180.72x = 921,877,436,520.58
  5. Step 5: Solve for x
    x = 921,877,436,520.58/845,180.72
  6. Step 6: Final answer
    x = 1,090,745.94

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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.