Home / 1,409,617.26-1,945,255.62-765,037.90

Finding the Fourth Proportional to 1,409,617.26, 1,945,255.62 and 765,037.90

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Solution

The fourth proportional to 1,409,617.26, 1,945,255.62 and 765,037.90 is: 1,055,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,617.26 : 1,945,255.62 = 765,037.90 : x
  2. Step 2: Convert to fraction form
    1,409,617.26/1,945,255.62 = 765,037.90/x
  3. Step 3: Cross multiply
    1,409,617.26x = 1,945,255.62 × 765,037.90
  4. Step 4: Simplify right side
    1,409,617.26x = 1,488,194,274,488.00
  5. Step 5: Solve for x
    x = 1,488,194,274,488.00/1,409,617.26
  6. Step 6: Final answer
    x = 1,055,743.51

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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.