Home / 1,066,728.97-1,472,101.73-722,670.13

Finding the Fourth Proportional to 1,066,728.97, 1,472,101.73 and 722,670.13

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Solution

The fourth proportional to 1,066,728.97, 1,472,101.73 and 722,670.13 is: 997,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,728.97 : 1,472,101.73 = 722,670.13 : x
  2. Step 2: Convert to fraction form
    1,066,728.97/1,472,101.73 = 722,670.13/x
  3. Step 3: Cross multiply
    1,066,728.97x = 1,472,101.73 × 722,670.13
  4. Step 4: Simplify right side
    1,066,728.97x = 1,063,843,948,592.33
  5. Step 5: Solve for x
    x = 1,063,843,948,592.33/1,066,728.97
  6. Step 6: Final answer
    x = 997,295.45

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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.