Home / 845,179.72-1,269,436.46-726,208.13

Finding the Fourth Proportional to 845,179.72, 1,269,436.46 and 726,208.13

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Solution

The fourth proportional to 845,179.72, 1,269,436.46 and 726,208.13 is: 1,090,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,179.72 : 1,269,436.46 = 726,208.13 : x
  2. Step 2: Convert to fraction form
    845,179.72/1,269,436.46 = 726,208.13/x
  3. Step 3: Cross multiply
    845,179.72x = 1,269,436.46 × 726,208.13
  4. Step 4: Simplify right side
    845,179.72x = 921,875,077,312.97
  5. Step 5: Solve for x
    x = 921,875,077,312.97/845,179.72
  6. Step 6: Final answer
    x = 1,090,744.44

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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.