Home / 1,276,932.55-1,914,822.40-365,906.63

Finding the Fourth Proportional to 1,276,932.55, 1,914,822.40 and 365,906.63

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Solution

The fourth proportional to 1,276,932.55, 1,914,822.40 and 365,906.63 is: 548,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,932.55 : 1,914,822.40 = 365,906.63 : x
  2. Step 2: Convert to fraction form
    1,276,932.55/1,914,822.40 = 365,906.63/x
  3. Step 3: Cross multiply
    1,276,932.55x = 1,914,822.40 × 365,906.63
  4. Step 4: Simplify right side
    1,276,932.55x = 700,646,215,990.88
  5. Step 5: Solve for x
    x = 700,646,215,990.88/1,276,932.55
  6. Step 6: Final answer
    x = 548,694.77

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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.