Home / 1,775,643.91-2,665,361.26-765,264.49

Finding the Fourth Proportional to 1,775,643.91, 2,665,361.26 and 765,264.49

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Solution

The fourth proportional to 1,775,643.91, 2,665,361.26 and 765,264.49 is: 1,148,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,643.91 : 2,665,361.26 = 765,264.49 : x
  2. Step 2: Convert to fraction form
    1,775,643.91/2,665,361.26 = 765,264.49/x
  3. Step 3: Cross multiply
    1,775,643.91x = 2,665,361.26 × 765,264.49
  4. Step 4: Simplify right side
    1,775,643.91x = 2,039,706,325,299.66
  5. Step 5: Solve for x
    x = 2,039,706,325,299.66/1,775,643.91
  6. Step 6: Final answer
    x = 1,148,713.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.