Home / 1,379,263.28-2,068,906.44-480,703.56

Finding the Fourth Proportional to 1,379,263.28, 2,068,906.44 and 480,703.56

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Solution

The fourth proportional to 1,379,263.28, 2,068,906.44 and 480,703.56 is: 721,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,263.28 : 2,068,906.44 = 480,703.56 : x
  2. Step 2: Convert to fraction form
    1,379,263.28/2,068,906.44 = 480,703.56/x
  3. Step 3: Cross multiply
    1,379,263.28x = 2,068,906.44 × 480,703.56
  4. Step 4: Simplify right side
    1,379,263.28x = 994,530,692,817.57
  5. Step 5: Solve for x
    x = 994,530,692,817.57/1,379,263.28
  6. Step 6: Final answer
    x = 721,059.36

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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.