Home / 1,321,969.14-1,824,344.37-718,396.02

Finding the Fourth Proportional to 1,321,969.14, 1,824,344.37 and 718,396.02

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Solution

The fourth proportional to 1,321,969.14, 1,824,344.37 and 718,396.02 is: 991,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,969.14 : 1,824,344.37 = 718,396.02 : x
  2. Step 2: Convert to fraction form
    1,321,969.14/1,824,344.37 = 718,396.02/x
  3. Step 3: Cross multiply
    1,321,969.14x = 1,824,344.37 × 718,396.02
  4. Step 4: Simplify right side
    1,321,969.14x = 1,310,601,734,517.41
  5. Step 5: Solve for x
    x = 1,310,601,734,517.41/1,321,969.14
  6. Step 6: Final answer
    x = 991,401.16

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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.