Home / 1,353,525.75-1,867,687.61-809,462.79

Finding the Fourth Proportional to 1,353,525.75, 1,867,687.61 and 809,462.79

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Solution

The fourth proportional to 1,353,525.75, 1,867,687.61 and 809,462.79 is: 1,116,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,525.75 : 1,867,687.61 = 809,462.79 : x
  2. Step 2: Convert to fraction form
    1,353,525.75/1,867,687.61 = 809,462.79/x
  3. Step 3: Cross multiply
    1,353,525.75x = 1,867,687.61 × 809,462.79
  4. Step 4: Simplify right side
    1,353,525.75x = 1,511,823,619,591.72
  5. Step 5: Solve for x
    x = 1,511,823,619,591.72/1,353,525.75
  6. Step 6: Final answer
    x = 1,116,952.24

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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.