Home / 1,266,160.77-1,747,297.17-722,295.54

Finding the Fourth Proportional to 1,266,160.77, 1,747,297.17 and 722,295.54

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Solution

The fourth proportional to 1,266,160.77, 1,747,297.17 and 722,295.54 is: 996,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,160.77 : 1,747,297.17 = 722,295.54 : x
  2. Step 2: Convert to fraction form
    1,266,160.77/1,747,297.17 = 722,295.54/x
  3. Step 3: Cross multiply
    1,266,160.77x = 1,747,297.17 × 722,295.54
  4. Step 4: Simplify right side
    1,266,160.77x = 1,262,064,952,945.62
  5. Step 5: Solve for x
    x = 1,262,064,952,945.62/1,266,160.77
  6. Step 6: Final answer
    x = 996,765.17

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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.