Home / 1,388,536.20-2,082,055.32-629,963.70

Finding the Fourth Proportional to 1,388,536.20, 2,082,055.32 and 629,963.70

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Solution

The fourth proportional to 1,388,536.20, 2,082,055.32 and 629,963.70 is: 944,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,536.20 : 2,082,055.32 = 629,963.70 : x
  2. Step 2: Convert to fraction form
    1,388,536.20/2,082,055.32 = 629,963.70/x
  3. Step 3: Cross multiply
    1,388,536.20x = 2,082,055.32 × 629,963.70
  4. Step 4: Simplify right side
    1,388,536.20x = 1,311,619,272,991.88
  5. Step 5: Solve for x
    x = 1,311,619,272,991.88/1,388,536.20
  6. Step 6: Final answer
    x = 944,605.75

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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.