Home / 1,610,391.28-2,222,367.60-885,269.60

Finding the Fourth Proportional to 1,610,391.28, 2,222,367.60 and 885,269.60

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Solution

The fourth proportional to 1,610,391.28, 2,222,367.60 and 885,269.60 is: 1,221,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,391.28 : 2,222,367.60 = 885,269.60 : x
  2. Step 2: Convert to fraction form
    1,610,391.28/2,222,367.60 = 885,269.60/x
  3. Step 3: Cross multiply
    1,610,391.28x = 2,222,367.60 × 885,269.60
  4. Step 4: Simplify right side
    1,610,391.28x = 1,967,394,476,304.96
  5. Step 5: Solve for x
    x = 1,967,394,476,304.96/1,610,391.28
  6. Step 6: Final answer
    x = 1,221,687.24

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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.