Home / 1,561,765.55-2,341,807.83-842,493.44

Finding the Fourth Proportional to 1,561,765.55, 2,341,807.83 and 842,493.44

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Solution

The fourth proportional to 1,561,765.55, 2,341,807.83 and 842,493.44 is: 1,263,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,765.55 : 2,341,807.83 = 842,493.44 : x
  2. Step 2: Convert to fraction form
    1,561,765.55/2,341,807.83 = 842,493.44/x
  3. Step 3: Cross multiply
    1,561,765.55x = 2,341,807.83 × 842,493.44
  4. Step 4: Simplify right side
    1,561,765.55x = 1,972,957,722,806.60
  5. Step 5: Solve for x
    x = 1,972,957,722,806.60/1,561,765.55
  6. Step 6: Final answer
    x = 1,263,286.75

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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.