Home / 1,858,009.72-2,786,716.26-509,857.48

Finding the Fourth Proportional to 1,858,009.72, 2,786,716.26 and 509,857.48

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Solution

The fourth proportional to 1,858,009.72, 2,786,716.26 and 509,857.48 is: 764,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,009.72 : 2,786,716.26 = 509,857.48 : x
  2. Step 2: Convert to fraction form
    1,858,009.72/2,786,716.26 = 509,857.48/x
  3. Step 3: Cross multiply
    1,858,009.72x = 2,786,716.26 × 509,857.48
  4. Step 4: Simplify right side
    1,858,009.72x = 1,420,828,129,798.62
  5. Step 5: Solve for x
    x = 1,420,828,129,798.62/1,858,009.72
  6. Step 6: Final answer
    x = 764,704.36

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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.