Home / 1,129,629.33-1,558,498.80-721,969.80

Finding the Fourth Proportional to 1,129,629.33, 1,558,498.80 and 721,969.80

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Solution

The fourth proportional to 1,129,629.33, 1,558,498.80 and 721,969.80 is: 996,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,629.33 : 1,558,498.80 = 721,969.80 : x
  2. Step 2: Convert to fraction form
    1,129,629.33/1,558,498.80 = 721,969.80/x
  3. Step 3: Cross multiply
    1,129,629.33x = 1,558,498.80 × 721,969.80
  4. Step 4: Simplify right side
    1,129,629.33x = 1,125,189,066,936.24
  5. Step 5: Solve for x
    x = 1,125,189,066,936.24/1,129,629.33
  6. Step 6: Final answer
    x = 996,069.27

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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.