Home / 1,163,842.21-1,605,861.39-680,313.79

Finding the Fourth Proportional to 1,163,842.21, 1,605,861.39 and 680,313.79

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Solution

The fourth proportional to 1,163,842.21, 1,605,861.39 and 680,313.79 is: 938,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,842.21 : 1,605,861.39 = 680,313.79 : x
  2. Step 2: Convert to fraction form
    1,163,842.21/1,605,861.39 = 680,313.79/x
  3. Step 3: Cross multiply
    1,163,842.21x = 1,605,861.39 × 680,313.79
  4. Step 4: Simplify right side
    1,163,842.21x = 1,092,489,648,445.57
  5. Step 5: Solve for x
    x = 1,092,489,648,445.57/1,163,842.21
  6. Step 6: Final answer
    x = 938,692.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.