Home / 1,409,679.88-1,945,360.20-765,100.06

Finding the Fourth Proportional to 1,409,679.88, 1,945,360.20 and 765,100.06

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Solution

The fourth proportional to 1,409,679.88, 1,945,360.20 and 765,100.06 is: 1,055,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,679.88 : 1,945,360.20 = 765,100.06 : x
  2. Step 2: Convert to fraction form
    1,409,679.88/1,945,360.20 = 765,100.06/x
  3. Step 3: Cross multiply
    1,409,679.88x = 1,945,360.20 × 765,100.06
  4. Step 4: Simplify right side
    1,409,679.88x = 1,488,395,205,741.61
  5. Step 5: Solve for x
    x = 1,488,395,205,741.61/1,409,679.88
  6. Step 6: Final answer
    x = 1,055,839.15

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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.