Home / 1,409,680.46-1,945,309.56-765,087.68

Finding the Fourth Proportional to 1,409,680.46, 1,945,309.56 and 765,087.68

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Solution

The fourth proportional to 1,409,680.46, 1,945,309.56 and 765,087.68 is: 1,055,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,680.46 : 1,945,309.56 = 765,087.68 : x
  2. Step 2: Convert to fraction form
    1,409,680.46/1,945,309.56 = 765,087.68/x
  3. Step 3: Cross multiply
    1,409,680.46x = 1,945,309.56 × 765,087.68
  4. Step 4: Simplify right side
    1,409,680.46x = 1,488,332,378,142.22
  5. Step 5: Solve for x
    x = 1,488,332,378,142.22/1,409,680.46
  6. Step 6: Final answer
    x = 1,055,794.15

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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.