Home / 1,332,928.92-1,839,437.86-721,081.50

Finding the Fourth Proportional to 1,332,928.92, 1,839,437.86 and 721,081.50

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Solution

The fourth proportional to 1,332,928.92, 1,839,437.86 and 721,081.50 is: 995,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,928.92 : 1,839,437.86 = 721,081.50 : x
  2. Step 2: Convert to fraction form
    1,332,928.92/1,839,437.86 = 721,081.50/x
  3. Step 3: Cross multiply
    1,332,928.92x = 1,839,437.86 × 721,081.50
  4. Step 4: Simplify right side
    1,332,928.92x = 1,326,384,611,245.59
  5. Step 5: Solve for x
    x = 1,326,384,611,245.59/1,332,928.92
  6. Step 6: Final answer
    x = 995,090.28

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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.