Home / 1,190,903-1,786,351.76-516,896.94

Finding the Fourth Proportional to 1,190,903, 1,786,351.76 and 516,896.94

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Solution

The fourth proportional to 1,190,903, 1,786,351.76 and 516,896.94 is: 775,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,903 : 1,786,351.76 = 516,896.94 : x
  2. Step 2: Convert to fraction form
    1,190,903/1,786,351.76 = 516,896.94/x
  3. Step 3: Cross multiply
    1,190,903x = 1,786,351.76 × 516,896.94
  4. Step 4: Simplify right side
    1,190,903x = 923,359,758,507.61
  5. Step 5: Solve for x
    x = 923,359,758,507.61/1,190,903
  6. Step 6: Final answer
    x = 775,344.22

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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.