Home / 1,181,187.96-1,629,528.06-722,322.60

Finding the Fourth Proportional to 1,181,187.96, 1,629,528.06 and 722,322.60

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Solution

The fourth proportional to 1,181,187.96, 1,629,528.06 and 722,322.60 is: 996,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,187.96 : 1,629,528.06 = 722,322.60 : x
  2. Step 2: Convert to fraction form
    1,181,187.96/1,629,528.06 = 722,322.60/x
  3. Step 3: Cross multiply
    1,181,187.96x = 1,629,528.06 × 722,322.60
  4. Step 4: Simplify right side
    1,181,187.96x = 1,177,044,945,072.16
  5. Step 5: Solve for x
    x = 1,177,044,945,072.16/1,181,187.96
  6. Step 6: Final answer
    x = 996,492.50

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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.