Home / 1,353,140.42-1,867,333.62-809,276.13

Finding the Fourth Proportional to 1,353,140.42, 1,867,333.62 and 809,276.13

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Solution

The fourth proportional to 1,353,140.42, 1,867,333.62 and 809,276.13 is: 1,116,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,140.42 : 1,867,333.62 = 809,276.13 : x
  2. Step 2: Convert to fraction form
    1,353,140.42/1,867,333.62 = 809,276.13/x
  3. Step 3: Cross multiply
    1,353,140.42x = 1,867,333.62 × 809,276.13
  4. Step 4: Simplify right side
    1,353,140.42x = 1,511,188,518,099.01
  5. Step 5: Solve for x
    x = 1,511,188,518,099.01/1,353,140.42
  6. Step 6: Final answer
    x = 1,116,800.96

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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.