Home / 1,276,211.25-1,914,622.38-365,406.39

Finding the Fourth Proportional to 1,276,211.25, 1,914,622.38 and 365,406.39

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Solution

The fourth proportional to 1,276,211.25, 1,914,622.38 and 365,406.39 is: 548,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,211.25 : 1,914,622.38 = 365,406.39 : x
  2. Step 2: Convert to fraction form
    1,276,211.25/1,914,622.38 = 365,406.39/x
  3. Step 3: Cross multiply
    1,276,211.25x = 1,914,622.38 × 365,406.39
  4. Step 4: Simplify right side
    1,276,211.25x = 699,615,252,089.01
  5. Step 5: Solve for x
    x = 699,615,252,089.01/1,276,211.25
  6. Step 6: Final answer
    x = 548,197.06

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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.