Home / 1,079,355.44-1,618,737.56-405,384.60

Finding the Fourth Proportional to 1,079,355.44, 1,618,737.56 and 405,384.60

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Solution

The fourth proportional to 1,079,355.44, 1,618,737.56 and 405,384.60 is: 607,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,355.44 : 1,618,737.56 = 405,384.60 : x
  2. Step 2: Convert to fraction form
    1,079,355.44/1,618,737.56 = 405,384.60/x
  3. Step 3: Cross multiply
    1,079,355.44x = 1,618,737.56 × 405,384.60
  4. Step 4: Simplify right side
    1,079,355.44x = 656,211,278,265.58
  5. Step 5: Solve for x
    x = 656,211,278,265.58/1,079,355.44
  6. Step 6: Final answer
    x = 607,965.88

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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.