Home / 1,126,759.01-1,690,200.07-285,318.05

Finding the Fourth Proportional to 1,126,759.01, 1,690,200.07 and 285,318.05

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Solution

The fourth proportional to 1,126,759.01, 1,690,200.07 and 285,318.05 is: 427,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,759.01 : 1,690,200.07 = 285,318.05 : x
  2. Step 2: Convert to fraction form
    1,126,759.01/1,690,200.07 = 285,318.05/x
  3. Step 3: Cross multiply
    1,126,759.01x = 1,690,200.07 × 285,318.05
  4. Step 4: Simplify right side
    1,126,759.01x = 482,244,578,917.97
  5. Step 5: Solve for x
    x = 482,244,578,917.97/1,126,759.01
  6. Step 6: Final answer
    x = 427,992.66

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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.