Home / 1,279,907.48-1,920,147.58-481,195.94

Finding the Fourth Proportional to 1,279,907.48, 1,920,147.58 and 481,195.94

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Solution

The fourth proportional to 1,279,907.48, 1,920,147.58 and 481,195.94 is: 721,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,907.48 : 1,920,147.58 = 481,195.94 : x
  2. Step 2: Convert to fraction form
    1,279,907.48/1,920,147.58 = 481,195.94/x
  3. Step 3: Cross multiply
    1,279,907.48x = 1,920,147.58 × 481,195.94
  4. Step 4: Simplify right side
    1,279,907.48x = 923,967,216,099.45
  5. Step 5: Solve for x
    x = 923,967,216,099.45/1,279,907.48
  6. Step 6: Final answer
    x = 721,901.57

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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.