Home / 1,378,384.38-2,067,576.57-629,905.50

Finding the Fourth Proportional to 1,378,384.38, 2,067,576.57 and 629,905.50

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Solution

The fourth proportional to 1,378,384.38, 2,067,576.57 and 629,905.50 is: 944,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,384.38 : 2,067,576.57 = 629,905.50 : x
  2. Step 2: Convert to fraction form
    1,378,384.38/2,067,576.57 = 629,905.50/x
  3. Step 3: Cross multiply
    1,378,384.38x = 2,067,576.57 × 629,905.50
  4. Step 4: Simplify right side
    1,378,384.38x = 1,302,377,853,114.14
  5. Step 5: Solve for x
    x = 1,302,377,853,114.14/1,378,384.38
  6. Step 6: Final answer
    x = 944,858.25

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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.