Home / 1,339,121.41-1,848,101.51-758,447.83

Finding the Fourth Proportional to 1,339,121.41, 1,848,101.51 and 758,447.83

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Solution

The fourth proportional to 1,339,121.41, 1,848,101.51 and 758,447.83 is: 1,046,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,121.41 : 1,848,101.51 = 758,447.83 : x
  2. Step 2: Convert to fraction form
    1,339,121.41/1,848,101.51 = 758,447.83/x
  3. Step 3: Cross multiply
    1,339,121.41x = 1,848,101.51 × 758,447.83
  4. Step 4: Simplify right side
    1,339,121.41x = 1,401,688,584,085.47
  5. Step 5: Solve for x
    x = 1,401,688,584,085.47/1,339,121.41
  6. Step 6: Final answer
    x = 1,046,722.56

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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.