Home / 1,278,147.22-1,916,742.38-548,578.33

Finding the Fourth Proportional to 1,278,147.22, 1,916,742.38 and 548,578.33

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Solution

The fourth proportional to 1,278,147.22, 1,916,742.38 and 548,578.33 is: 822,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,147.22 : 1,916,742.38 = 548,578.33 : x
  2. Step 2: Convert to fraction form
    1,278,147.22/1,916,742.38 = 548,578.33/x
  3. Step 3: Cross multiply
    1,278,147.22x = 1,916,742.38 × 548,578.33
  4. Step 4: Simplify right side
    1,278,147.22x = 1,051,483,330,440.22
  5. Step 5: Solve for x
    x = 1,051,483,330,440.22/1,278,147.22
  6. Step 6: Final answer
    x = 822,662.14

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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.