Home / 1,394,790.69-2,090,188.34-794,512.50

Finding the Fourth Proportional to 1,394,790.69, 2,090,188.34 and 794,512.50

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Solution

The fourth proportional to 1,394,790.69, 2,090,188.34 and 794,512.50 is: 1,190,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,790.69 : 2,090,188.34 = 794,512.50 : x
  2. Step 2: Convert to fraction form
    1,394,790.69/2,090,188.34 = 794,512.50/x
  3. Step 3: Cross multiply
    1,394,790.69x = 2,090,188.34 × 794,512.50
  4. Step 4: Simplify right side
    1,394,790.69x = 1,660,680,759,122.04
  5. Step 5: Solve for x
    x = 1,660,680,759,122.04/1,394,790.69
  6. Step 6: Final answer
    x = 1,190,630.80

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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.