Home / 1,515,216.60-2,275,449.30-806,628.60

Finding the Fourth Proportional to 1,515,216.60, 2,275,449.30 and 806,628.60

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Solution

The fourth proportional to 1,515,216.60, 2,275,449.30 and 806,628.60 is: 1,211,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,216.60 : 2,275,449.30 = 806,628.60 : x
  2. Step 2: Convert to fraction form
    1,515,216.60/2,275,449.30 = 806,628.60/x
  3. Step 3: Cross multiply
    1,515,216.60x = 2,275,449.30 × 806,628.60
  4. Step 4: Simplify right side
    1,515,216.60x = 1,835,442,483,229.98
  5. Step 5: Solve for x
    x = 1,835,442,483,229.98/1,515,216.60
  6. Step 6: Final answer
    x = 1,211,340.00

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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.