Home / 1,232,331.80-1,845,387.30-809,317.40

Finding the Fourth Proportional to 1,232,331.80, 1,845,387.30 and 809,317.40

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Solution

The fourth proportional to 1,232,331.80, 1,845,387.30 and 809,317.40 is: 1,211,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,331.80 : 1,845,387.30 = 809,317.40 : x
  2. Step 2: Convert to fraction form
    1,232,331.80/1,845,387.30 = 809,317.40/x
  3. Step 3: Cross multiply
    1,232,331.80x = 1,845,387.30 × 809,317.40
  4. Step 4: Simplify right side
    1,232,331.80x = 1,493,504,051,629.02
  5. Step 5: Solve for x
    x = 1,493,504,051,629.02/1,232,331.80
  6. Step 6: Final answer
    x = 1,211,933.39

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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.