Home / 1,409,661.38-1,945,334.60-765,081.58

Finding the Fourth Proportional to 1,409,661.38, 1,945,334.60 and 765,081.58

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Solution

The fourth proportional to 1,409,661.38, 1,945,334.60 and 765,081.58 is: 1,055,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,661.38 : 1,945,334.60 = 765,081.58 : x
  2. Step 2: Convert to fraction form
    1,409,661.38/1,945,334.60 = 765,081.58/x
  3. Step 3: Cross multiply
    1,409,661.38x = 1,945,334.60 × 765,081.58
  4. Step 4: Simplify right side
    1,409,661.38x = 1,488,339,669,396.67
  5. Step 5: Solve for x
    x = 1,488,339,669,396.67/1,409,661.38
  6. Step 6: Final answer
    x = 1,055,813.61

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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.