Home / 1,128,092.92-1,691,297.79-678,708.48

Finding the Fourth Proportional to 1,128,092.92, 1,691,297.79 and 678,708.48

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Solution

The fourth proportional to 1,128,092.92, 1,691,297.79 and 678,708.48 is: 1,017,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,092.92 : 1,691,297.79 = 678,708.48 : x
  2. Step 2: Convert to fraction form
    1,128,092.92/1,691,297.79 = 678,708.48/x
  3. Step 3: Cross multiply
    1,128,092.92x = 1,691,297.79 × 678,708.48
  4. Step 4: Simplify right side
    1,128,092.92x = 1,147,898,152,278.26
  5. Step 5: Solve for x
    x = 1,147,898,152,278.26/1,128,092.92
  6. Step 6: Final answer
    x = 1,017,556.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.