Home / 1,288,338.24-1,777,957.94-744,456

Finding the Fourth Proportional to 1,288,338.24, 1,777,957.94 and 744,456

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Solution

The fourth proportional to 1,288,338.24, 1,777,957.94 and 744,456 is: 1,027,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,338.24 : 1,777,957.94 = 744,456 : x
  2. Step 2: Convert to fraction form
    1,288,338.24/1,777,957.94 = 744,456/x
  3. Step 3: Cross multiply
    1,288,338.24x = 1,777,957.94 × 744,456
  4. Step 4: Simplify right side
    1,288,338.24x = 1,323,611,456,180.64
  5. Step 5: Solve for x
    x = 1,323,611,456,180.64/1,288,338.24
  6. Step 6: Final answer
    x = 1,027,378.85

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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.