Home / 1,339,156.28-2,008,112.94-486,120.57

Finding the Fourth Proportional to 1,339,156.28, 2,008,112.94 and 486,120.57

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Solution

The fourth proportional to 1,339,156.28, 2,008,112.94 and 486,120.57 is: 728,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,156.28 : 2,008,112.94 = 486,120.57 : x
  2. Step 2: Convert to fraction form
    1,339,156.28/2,008,112.94 = 486,120.57/x
  3. Step 3: Cross multiply
    1,339,156.28x = 2,008,112.94 × 486,120.57
  4. Step 4: Simplify right side
    1,339,156.28x = 976,185,007,017.18
  5. Step 5: Solve for x
    x = 976,185,007,017.18/1,339,156.28
  6. Step 6: Final answer
    x = 728,955.26

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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.