Home / 1,092,922.20-1,639,383.30-694,341.45

Finding the Fourth Proportional to 1,092,922.20, 1,639,383.30 and 694,341.45

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Solution

The fourth proportional to 1,092,922.20, 1,639,383.30 and 694,341.45 is: 1,041,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,922.20 : 1,639,383.30 = 694,341.45 : x
  2. Step 2: Convert to fraction form
    1,092,922.20/1,639,383.30 = 694,341.45/x
  3. Step 3: Cross multiply
    1,092,922.20x = 1,639,383.30 × 694,341.45
  4. Step 4: Simplify right side
    1,092,922.20x = 1,138,291,777,627.78
  5. Step 5: Solve for x
    x = 1,138,291,777,627.78/1,092,922.20
  6. Step 6: Final answer
    x = 1,041,512.18

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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.