Home / 1,245,629.27-1,718,968.37-672,669.43

Finding the Fourth Proportional to 1,245,629.27, 1,718,968.37 and 672,669.43

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Solution

The fourth proportional to 1,245,629.27, 1,718,968.37 and 672,669.43 is: 928,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,629.27 : 1,718,968.37 = 672,669.43 : x
  2. Step 2: Convert to fraction form
    1,245,629.27/1,718,968.37 = 672,669.43/x
  3. Step 3: Cross multiply
    1,245,629.27x = 1,718,968.37 × 672,669.43
  4. Step 4: Simplify right side
    1,245,629.27x = 1,156,297,465,975.16
  5. Step 5: Solve for x
    x = 1,156,297,465,975.16/1,245,629.27
  6. Step 6: Final answer
    x = 928,283.79

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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.