Home / 1,409,744.88-1,945,451.67-765,165.06

Finding the Fourth Proportional to 1,409,744.88, 1,945,451.67 and 765,165.06

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Solution

The fourth proportional to 1,409,744.88, 1,945,451.67 and 765,165.06 is: 1,055,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,744.88 : 1,945,451.67 = 765,165.06 : x
  2. Step 2: Convert to fraction form
    1,409,744.88/1,945,451.67 = 765,165.06/x
  3. Step 3: Cross multiply
    1,409,744.88x = 1,945,451.67 × 765,165.06
  4. Step 4: Simplify right side
    1,409,744.88x = 1,488,591,643,802.65
  5. Step 5: Solve for x
    x = 1,488,591,643,802.65/1,409,744.88
  6. Step 6: Final answer
    x = 1,055,929.81

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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.