Home / 1,143,935.35-1,715,912.82-291,007.78

Finding the Fourth Proportional to 1,143,935.35, 1,715,912.82 and 291,007.78

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Solution

The fourth proportional to 1,143,935.35, 1,715,912.82 and 291,007.78 is: 436,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,935.35 : 1,715,912.82 = 291,007.78 : x
  2. Step 2: Convert to fraction form
    1,143,935.35/1,715,912.82 = 291,007.78/x
  3. Step 3: Cross multiply
    1,143,935.35x = 1,715,912.82 × 291,007.78
  4. Step 4: Simplify right side
    1,143,935.35x = 499,343,976,131.96
  5. Step 5: Solve for x
    x = 499,343,976,131.96/1,143,935.35
  6. Step 6: Final answer
    x = 436,514.16

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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.