Home / 1,145,334.32-1,716,376.61-843,447.32

Finding the Fourth Proportional to 1,145,334.32, 1,716,376.61 and 843,447.32

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Solution

The fourth proportional to 1,145,334.32, 1,716,376.61 and 843,447.32 is: 1,263,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,334.32 : 1,716,376.61 = 843,447.32 : x
  2. Step 2: Convert to fraction form
    1,145,334.32/1,716,376.61 = 843,447.32/x
  3. Step 3: Cross multiply
    1,145,334.32x = 1,716,376.61 × 843,447.32
  4. Step 4: Simplify right side
    1,145,334.32x = 1,447,673,239,016.07
  5. Step 5: Solve for x
    x = 1,447,673,239,016.07/1,145,334.32
  6. Step 6: Final answer
    x = 1,263,974.39

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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.