Home / 1,645,678.26-2,467,629.78-746,629.44

Finding the Fourth Proportional to 1,645,678.26, 2,467,629.78 and 746,629.44

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Solution

The fourth proportional to 1,645,678.26, 2,467,629.78 and 746,629.44 is: 1,119,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,678.26 : 2,467,629.78 = 746,629.44 : x
  2. Step 2: Convert to fraction form
    1,645,678.26/2,467,629.78 = 746,629.44/x
  3. Step 3: Cross multiply
    1,645,678.26x = 2,467,629.78 × 746,629.44
  4. Step 4: Simplify right side
    1,645,678.26x = 1,842,405,040,768.72
  5. Step 5: Solve for x
    x = 1,842,405,040,768.72/1,645,678.26
  6. Step 6: Final answer
    x = 1,119,541.46

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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.