Home / 1,409,738.85-1,945,387.46-765,145.22

Finding the Fourth Proportional to 1,409,738.85, 1,945,387.46 and 765,145.22

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Solution

The fourth proportional to 1,409,738.85, 1,945,387.46 and 765,145.22 is: 1,055,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,738.85 : 1,945,387.46 = 765,145.22 : x
  2. Step 2: Convert to fraction form
    1,409,738.85/1,945,387.46 = 765,145.22/x
  3. Step 3: Cross multiply
    1,409,738.85x = 1,945,387.46 × 765,145.22
  4. Step 4: Simplify right side
    1,409,738.85x = 1,488,503,916,066.94
  5. Step 5: Solve for x
    x = 1,488,503,916,066.94/1,409,738.85
  6. Step 6: Final answer
    x = 1,055,872.10

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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.