Home / 1,642,438.66-2,463,663.78-505,193.19

Finding the Fourth Proportional to 1,642,438.66, 2,463,663.78 and 505,193.19

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Solution

The fourth proportional to 1,642,438.66, 2,463,663.78 and 505,193.19 is: 757,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,438.66 : 2,463,663.78 = 505,193.19 : x
  2. Step 2: Convert to fraction form
    1,642,438.66/2,463,663.78 = 505,193.19/x
  3. Step 3: Cross multiply
    1,642,438.66x = 2,463,663.78 × 505,193.19
  4. Step 4: Simplify right side
    1,642,438.66x = 1,244,626,164,105.66
  5. Step 5: Solve for x
    x = 1,244,626,164,105.66/1,642,438.66
  6. Step 6: Final answer
    x = 757,791.57

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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.