Home / 1,409,744.45-1,945,395.23-765,150.84

Finding the Fourth Proportional to 1,409,744.45, 1,945,395.23 and 765,150.84

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Solution

The fourth proportional to 1,409,744.45, 1,945,395.23 and 765,150.84 is: 1,055,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,744.45 : 1,945,395.23 = 765,150.84 : x
  2. Step 2: Convert to fraction form
    1,409,744.45/1,945,395.23 = 765,150.84/x
  3. Step 3: Cross multiply
    1,409,744.45x = 1,945,395.23 × 765,150.84
  4. Step 4: Simplify right side
    1,409,744.45x = 1,488,520,790,540.74
  5. Step 5: Solve for x
    x = 1,488,520,790,540.74/1,409,744.45
  6. Step 6: Final answer
    x = 1,055,879.87

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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.