Home / 1,615,375.20-2,229,226.55-926,992.25

Finding the Fourth Proportional to 1,615,375.20, 2,229,226.55 and 926,992.25

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Solution

The fourth proportional to 1,615,375.20, 2,229,226.55 and 926,992.25 is: 1,279,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,375.20 : 2,229,226.55 = 926,992.25 : x
  2. Step 2: Convert to fraction form
    1,615,375.20/2,229,226.55 = 926,992.25/x
  3. Step 3: Cross multiply
    1,615,375.20x = 2,229,226.55 × 926,992.25
  4. Step 4: Simplify right side
    1,615,375.20x = 2,066,475,719,563.14
  5. Step 5: Solve for x
    x = 2,066,475,719,563.14/1,615,375.20
  6. Step 6: Final answer
    x = 1,279,254.33

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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.