Home / 1,764,405.80-2,644,859.10-816,122.60

Finding the Fourth Proportional to 1,764,405.80, 2,644,859.10 and 816,122.60

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Solution

The fourth proportional to 1,764,405.80, 2,644,859.10 and 816,122.60 is: 1,223,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,405.80 : 2,644,859.10 = 816,122.60 : x
  2. Step 2: Convert to fraction form
    1,764,405.80/2,644,859.10 = 816,122.60/x
  3. Step 3: Cross multiply
    1,764,405.80x = 2,644,859.10 × 816,122.60
  4. Step 4: Simplify right side
    1,764,405.80x = 2,158,529,285,325.66
  5. Step 5: Solve for x
    x = 2,158,529,285,325.66/1,764,405.80
  6. Step 6: Final answer
    x = 1,223,374.63

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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.