Home / 1,190,902-1,786,350.26-516,895.94

Finding the Fourth Proportional to 1,190,902, 1,786,350.26 and 516,895.94

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Solution

The fourth proportional to 1,190,902, 1,786,350.26 and 516,895.94 is: 775,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,902 : 1,786,350.26 = 516,895.94 : x
  2. Step 2: Convert to fraction form
    1,190,902/1,786,350.26 = 516,895.94/x
  3. Step 3: Cross multiply
    1,190,902x = 1,786,350.26 × 516,895.94
  4. Step 4: Simplify right side
    1,190,902x = 923,357,196,811.95
  5. Step 5: Solve for x
    x = 923,357,196,811.95/1,190,902
  6. Step 6: Final answer
    x = 775,342.72

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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.