Home / 1,231,441.97-1,699,494.95-687,682.80

Finding the Fourth Proportional to 1,231,441.97, 1,699,494.95 and 687,682.80

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Solution

The fourth proportional to 1,231,441.97, 1,699,494.95 and 687,682.80 is: 949,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,441.97 : 1,699,494.95 = 687,682.80 : x
  2. Step 2: Convert to fraction form
    1,231,441.97/1,699,494.95 = 687,682.80/x
  3. Step 3: Cross multiply
    1,231,441.97x = 1,699,494.95 × 687,682.80
  4. Step 4: Simplify right side
    1,231,441.97x = 1,168,713,447,521.07
  5. Step 5: Solve for x
    x = 1,168,713,447,521.07/1,231,441.97
  6. Step 6: Final answer
    x = 949,060.92

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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.