Home / 1,322,842.89-1,825,470.30-779,001.60

Finding the Fourth Proportional to 1,322,842.89, 1,825,470.30 and 779,001.60

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Solution

The fourth proportional to 1,322,842.89, 1,825,470.30 and 779,001.60 is: 1,074,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,842.89 : 1,825,470.30 = 779,001.60 : x
  2. Step 2: Convert to fraction form
    1,322,842.89/1,825,470.30 = 779,001.60/x
  3. Step 3: Cross multiply
    1,322,842.89x = 1,825,470.30 × 779,001.60
  4. Step 4: Simplify right side
    1,322,842.89x = 1,422,044,284,452.48
  5. Step 5: Solve for x
    x = 1,422,044,284,452.48/1,322,842.89
  6. Step 6: Final answer
    x = 1,074,991.06

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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.