Home / 1,320,185.94-1,821,544.38-747,226.14

Finding the Fourth Proportional to 1,320,185.94, 1,821,544.38 and 747,226.14

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Solution

The fourth proportional to 1,320,185.94, 1,821,544.38 and 747,226.14 is: 1,030,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,185.94 : 1,821,544.38 = 747,226.14 : x
  2. Step 2: Convert to fraction form
    1,320,185.94/1,821,544.38 = 747,226.14/x
  3. Step 3: Cross multiply
    1,320,185.94x = 1,821,544.38 × 747,226.14
  4. Step 4: Simplify right side
    1,320,185.94x = 1,361,105,575,906.09
  5. Step 5: Solve for x
    x = 1,361,105,575,906.09/1,320,185.94
  6. Step 6: Final answer
    x = 1,030,995.36

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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.