Home / 1,610,394.28-2,222,371.74-885,272.60

Finding the Fourth Proportional to 1,610,394.28, 2,222,371.74 and 885,272.60

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Solution

The fourth proportional to 1,610,394.28, 2,222,371.74 and 885,272.60 is: 1,221,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,394.28 : 2,222,371.74 = 885,272.60 : x
  2. Step 2: Convert to fraction form
    1,610,394.28/2,222,371.74 = 885,272.60/x
  3. Step 3: Cross multiply
    1,610,394.28x = 2,222,371.74 × 885,272.60
  4. Step 4: Simplify right side
    1,610,394.28x = 1,967,404,808,436.32
  5. Step 5: Solve for x
    x = 1,967,404,808,436.32/1,610,394.28
  6. Step 6: Final answer
    x = 1,221,691.38

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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.