Home / 1,396,327.40-2,093,108.70-685,773.80

Finding the Fourth Proportional to 1,396,327.40, 2,093,108.70 and 685,773.80

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Solution

The fourth proportional to 1,396,327.40, 2,093,108.70 and 685,773.80 is: 1,027,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,327.40 : 2,093,108.70 = 685,773.80 : x
  2. Step 2: Convert to fraction form
    1,396,327.40/2,093,108.70 = 685,773.80/x
  3. Step 3: Cross multiply
    1,396,327.40x = 2,093,108.70 × 685,773.80
  4. Step 4: Simplify right side
    1,396,327.40x = 1,435,399,107,012.06
  5. Step 5: Solve for x
    x = 1,435,399,107,012.06/1,396,327.40
  6. Step 6: Final answer
    x = 1,027,981.77

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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.