Home / 1,615,375.45-2,229,226.89-926,992.50

Finding the Fourth Proportional to 1,615,375.45, 2,229,226.89 and 926,992.50

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Solution

The fourth proportional to 1,615,375.45, 2,229,226.89 and 926,992.50 is: 1,279,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,375.45 : 2,229,226.89 = 926,992.50 : x
  2. Step 2: Convert to fraction form
    1,615,375.45/2,229,226.89 = 926,992.50/x
  3. Step 3: Cross multiply
    1,615,375.45x = 2,229,226.89 × 926,992.50
  4. Step 4: Simplify right side
    1,615,375.45x = 2,066,476,596,682.19
  5. Step 5: Solve for x
    x = 2,066,476,596,682.19/1,615,375.45
  6. Step 6: Final answer
    x = 1,279,254.68

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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.