Home / 843,645.30-1,268,420.40-825,930.60

Finding the Fourth Proportional to 843,645.30, 1,268,420.40 and 825,930.60

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Solution

The fourth proportional to 843,645.30, 1,268,420.40 and 825,930.60 is: 1,241,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,645.30 : 1,268,420.40 = 825,930.60 : x
  2. Step 2: Convert to fraction form
    843,645.30/1,268,420.40 = 825,930.60/x
  3. Step 3: Cross multiply
    843,645.30x = 1,268,420.40 × 825,930.60
  4. Step 4: Simplify right side
    843,645.30x = 1,047,627,222,024.24
  5. Step 5: Solve for x
    x = 1,047,627,222,024.24/843,645.30
  6. Step 6: Final answer
    x = 1,241,786.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.