Home / 1,232,336.80-1,845,394.80-809,322.40

Finding the Fourth Proportional to 1,232,336.80, 1,845,394.80 and 809,322.40

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Solution

The fourth proportional to 1,232,336.80, 1,845,394.80 and 809,322.40 is: 1,211,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,336.80 : 1,845,394.80 = 809,322.40 : x
  2. Step 2: Convert to fraction form
    1,232,336.80/1,845,394.80 = 809,322.40/x
  3. Step 3: Cross multiply
    1,232,336.80x = 1,845,394.80 × 809,322.40
  4. Step 4: Simplify right side
    1,232,336.80x = 1,493,519,348,483.52
  5. Step 5: Solve for x
    x = 1,493,519,348,483.52/1,232,336.80
  6. Step 6: Final answer
    x = 1,211,940.88

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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.