Home / 1,764,172.55-2,645,546.45-684,116.42

Finding the Fourth Proportional to 1,764,172.55, 2,645,546.45 and 684,116.42

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Solution

The fourth proportional to 1,764,172.55, 2,645,546.45 and 684,116.42 is: 1,025,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,172.55 : 2,645,546.45 = 684,116.42 : x
  2. Step 2: Convert to fraction form
    1,764,172.55/2,645,546.45 = 684,116.42/x
  3. Step 3: Cross multiply
    1,764,172.55x = 2,645,546.45 × 684,116.42
  4. Step 4: Simplify right side
    1,764,172.55x = 1,809,861,749,669.39
  5. Step 5: Solve for x
    x = 1,809,861,749,669.39/1,764,172.55
  6. Step 6: Final answer
    x = 1,025,898.38

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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.