Home / 1,353,140.99-1,867,334.40-809,276.69

Finding the Fourth Proportional to 1,353,140.99, 1,867,334.40 and 809,276.69

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Solution

The fourth proportional to 1,353,140.99, 1,867,334.40 and 809,276.69 is: 1,116,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,140.99 : 1,867,334.40 = 809,276.69 : x
  2. Step 2: Convert to fraction form
    1,353,140.99/1,867,334.40 = 809,276.69/x
  3. Step 3: Cross multiply
    1,353,140.99x = 1,867,334.40 × 809,276.69
  4. Step 4: Simplify right side
    1,353,140.99x = 1,511,190,188,972.08
  5. Step 5: Solve for x
    x = 1,511,190,188,972.08/1,353,140.99
  6. Step 6: Final answer
    x = 1,116,801.73

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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.