Home / 1,178,942.87-1,627,113.44-662,739.27

Finding the Fourth Proportional to 1,178,942.87, 1,627,113.44 and 662,739.27

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Solution

The fourth proportional to 1,178,942.87, 1,627,113.44 and 662,739.27 is: 914,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,942.87 : 1,627,113.44 = 662,739.27 : x
  2. Step 2: Convert to fraction form
    1,178,942.87/1,627,113.44 = 662,739.27/x
  3. Step 3: Cross multiply
    1,178,942.87x = 1,627,113.44 × 662,739.27
  4. Step 4: Simplify right side
    1,178,942.87x = 1,078,351,970,119.09
  5. Step 5: Solve for x
    x = 1,078,351,970,119.09/1,178,942.87
  6. Step 6: Final answer
    x = 914,677.04

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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.