Home / 1,218,981.54-1,682,066.58-675,102.98

Finding the Fourth Proportional to 1,218,981.54, 1,682,066.58 and 675,102.98

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Solution

The fourth proportional to 1,218,981.54, 1,682,066.58 and 675,102.98 is: 931,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,981.54 : 1,682,066.58 = 675,102.98 : x
  2. Step 2: Convert to fraction form
    1,218,981.54/1,682,066.58 = 675,102.98/x
  3. Step 3: Cross multiply
    1,218,981.54x = 1,682,066.58 × 675,102.98
  4. Step 4: Simplify right side
    1,218,981.54x = 1,135,568,160,716.41
  5. Step 5: Solve for x
    x = 1,135,568,160,716.41/1,218,981.54
  6. Step 6: Final answer
    x = 931,571.25

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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.