Home / 1,515,201.60-2,275,426.80-806,613.60

Finding the Fourth Proportional to 1,515,201.60, 2,275,426.80 and 806,613.60

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Solution

The fourth proportional to 1,515,201.60, 2,275,426.80 and 806,613.60 is: 1,211,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,201.60 : 2,275,426.80 = 806,613.60 : x
  2. Step 2: Convert to fraction form
    1,515,201.60/2,275,426.80 = 806,613.60/x
  3. Step 3: Cross multiply
    1,515,201.60x = 2,275,426.80 × 806,613.60
  4. Step 4: Simplify right side
    1,515,201.60x = 1,835,390,202,684.48
  5. Step 5: Solve for x
    x = 1,835,390,202,684.48/1,515,201.60
  6. Step 6: Final answer
    x = 1,211,317.49

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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.