Home / 1,353,140.67-1,867,333.97-809,276.38

Finding the Fourth Proportional to 1,353,140.67, 1,867,333.97 and 809,276.38

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Solution

The fourth proportional to 1,353,140.67, 1,867,333.97 and 809,276.38 is: 1,116,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,140.67 : 1,867,333.97 = 809,276.38 : x
  2. Step 2: Convert to fraction form
    1,353,140.67/1,867,333.97 = 809,276.38/x
  3. Step 3: Cross multiply
    1,353,140.67x = 1,867,333.97 × 809,276.38
  4. Step 4: Simplify right side
    1,353,140.67x = 1,511,189,262,109.58
  5. Step 5: Solve for x
    x = 1,511,189,262,109.58/1,353,140.67
  6. Step 6: Final answer
    x = 1,116,801.30

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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.