Home / 1,222,846.44-1,687,531.34-678,983.24

Finding the Fourth Proportional to 1,222,846.44, 1,687,531.34 and 678,983.24

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Solution

The fourth proportional to 1,222,846.44, 1,687,531.34 and 678,983.24 is: 936,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,846.44 : 1,687,531.34 = 678,983.24 : x
  2. Step 2: Convert to fraction form
    1,222,846.44/1,687,531.34 = 678,983.24/x
  3. Step 3: Cross multiply
    1,222,846.44x = 1,687,531.34 × 678,983.24
  4. Step 4: Simplify right side
    1,222,846.44x = 1,145,805,496,834.74
  5. Step 5: Solve for x
    x = 1,145,805,496,834.74/1,222,846.44
  6. Step 6: Final answer
    x = 936,998.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.