Home / 1,302,020.28-1,796,800.88-721,260.60

Finding the Fourth Proportional to 1,302,020.28, 1,796,800.88 and 721,260.60

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Solution

The fourth proportional to 1,302,020.28, 1,796,800.88 and 721,260.60 is: 995,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,020.28 : 1,796,800.88 = 721,260.60 : x
  2. Step 2: Convert to fraction form
    1,302,020.28/1,796,800.88 = 721,260.60/x
  3. Step 3: Cross multiply
    1,302,020.28x = 1,796,800.88 × 721,260.60
  4. Step 4: Simplify right side
    1,302,020.28x = 1,295,961,680,789.33
  5. Step 5: Solve for x
    x = 1,295,961,680,789.33/1,302,020.28
  6. Step 6: Final answer
    x = 995,346.77

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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.