Home / 1,181,186.96-1,629,526.68-722,321.60

Finding the Fourth Proportional to 1,181,186.96, 1,629,526.68 and 722,321.60

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Solution

The fourth proportional to 1,181,186.96, 1,629,526.68 and 722,321.60 is: 996,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,186.96 : 1,629,526.68 = 722,321.60 : x
  2. Step 2: Convert to fraction form
    1,181,186.96/1,629,526.68 = 722,321.60/x
  3. Step 3: Cross multiply
    1,181,186.96x = 1,629,526.68 × 722,321.60
  4. Step 4: Simplify right side
    1,181,186.96x = 1,177,042,318,740.29
  5. Step 5: Solve for x
    x = 1,177,042,318,740.29/1,181,186.96
  6. Step 6: Final answer
    x = 996,491.12

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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.