Home / 1,764,495.87-2,645,318.19-684,450.78

Finding the Fourth Proportional to 1,764,495.87, 2,645,318.19 and 684,450.78

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Solution

The fourth proportional to 1,764,495.87, 2,645,318.19 and 684,450.78 is: 1,026,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,495.87 : 2,645,318.19 = 684,450.78 : x
  2. Step 2: Convert to fraction form
    1,764,495.87/2,645,318.19 = 684,450.78/x
  3. Step 3: Cross multiply
    1,764,495.87x = 2,645,318.19 × 684,450.78
  4. Step 4: Simplify right side
    1,764,495.87x = 1,810,590,098,493.69
  5. Step 5: Solve for x
    x = 1,810,590,098,493.69/1,764,495.87
  6. Step 6: Final answer
    x = 1,026,123.17

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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.