Home / 1,043,402.20-1,441,245.72-862,843.48

Finding the Fourth Proportional to 1,043,402.20, 1,441,245.72 and 862,843.48

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Solution

The fourth proportional to 1,043,402.20, 1,441,245.72 and 862,843.48 is: 1,191,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,402.20 : 1,441,245.72 = 862,843.48 : x
  2. Step 2: Convert to fraction form
    1,043,402.20/1,441,245.72 = 862,843.48/x
  3. Step 3: Cross multiply
    1,043,402.20x = 1,441,245.72 × 862,843.48
  4. Step 4: Simplify right side
    1,043,402.20x = 1,243,569,472,212.45
  5. Step 5: Solve for x
    x = 1,243,569,472,212.45/1,043,402.20
  6. Step 6: Final answer
    x = 1,191,840.96

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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.