Home / 1,764,628.50-2,647,336.41-642,697.50

Finding the Fourth Proportional to 1,764,628.50, 2,647,336.41 and 642,697.50

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Solution

The fourth proportional to 1,764,628.50, 2,647,336.41 and 642,697.50 is: 964,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,628.50 : 2,647,336.41 = 642,697.50 : x
  2. Step 2: Convert to fraction form
    1,764,628.50/2,647,336.41 = 642,697.50/x
  3. Step 3: Cross multiply
    1,764,628.50x = 2,647,336.41 × 642,697.50
  4. Step 4: Simplify right side
    1,764,628.50x = 1,701,436,492,365.98
  5. Step 5: Solve for x
    x = 1,701,436,492,365.98/1,764,628.50
  6. Step 6: Final answer
    x = 964,189.63

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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.