Home / 1,098,448.38-1,647,736.56-424,633.68

Finding the Fourth Proportional to 1,098,448.38, 1,647,736.56 and 424,633.68

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Solution

The fourth proportional to 1,098,448.38, 1,647,736.56 and 424,633.68 is: 636,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,448.38 : 1,647,736.56 = 424,633.68 : x
  2. Step 2: Convert to fraction form
    1,098,448.38/1,647,736.56 = 424,633.68/x
  3. Step 3: Cross multiply
    1,098,448.38x = 1,647,736.56 × 424,633.68
  4. Step 4: Simplify right side
    1,098,448.38x = 699,684,439,143.34
  5. Step 5: Solve for x
    x = 699,684,439,143.34/1,098,448.38
  6. Step 6: Final answer
    x = 636,975.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.