Home / 1,099,369.32-1,517,428.26-646,806.12

Finding the Fourth Proportional to 1,099,369.32, 1,517,428.26 and 646,806.12

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Solution

The fourth proportional to 1,099,369.32, 1,517,428.26 and 646,806.12 is: 892,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,369.32 : 1,517,428.26 = 646,806.12 : x
  2. Step 2: Convert to fraction form
    1,099,369.32/1,517,428.26 = 646,806.12/x
  3. Step 3: Cross multiply
    1,099,369.32x = 1,517,428.26 × 646,806.12
  4. Step 4: Simplify right side
    1,099,369.32x = 981,481,885,228.95
  5. Step 5: Solve for x
    x = 981,481,885,228.95/1,099,369.32
  6. Step 6: Final answer
    x = 892,768.12

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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.