Home / 1,489,782.33-2,055,891.83-810,723.69

Finding the Fourth Proportional to 1,489,782.33, 2,055,891.83 and 810,723.69

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Solution

The fourth proportional to 1,489,782.33, 2,055,891.83 and 810,723.69 is: 1,118,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,782.33 : 2,055,891.83 = 810,723.69 : x
  2. Step 2: Convert to fraction form
    1,489,782.33/2,055,891.83 = 810,723.69/x
  3. Step 3: Cross multiply
    1,489,782.33x = 2,055,891.83 × 810,723.69
  4. Step 4: Simplify right side
    1,489,782.33x = 1,666,760,200,378.99
  5. Step 5: Solve for x
    x = 1,666,760,200,378.99/1,489,782.33
  6. Step 6: Final answer
    x = 1,118,794.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.