Home / 1,273,940.28-1,910,910.51-327,311.01

Finding the Fourth Proportional to 1,273,940.28, 1,910,910.51 and 327,311.01

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Solution

The fourth proportional to 1,273,940.28, 1,910,910.51 and 327,311.01 is: 490,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,940.28 : 1,910,910.51 = 327,311.01 : x
  2. Step 2: Convert to fraction form
    1,273,940.28/1,910,910.51 = 327,311.01/x
  3. Step 3: Cross multiply
    1,273,940.28x = 1,910,910.51 × 327,311.01
  4. Step 4: Simplify right side
    1,273,940.28x = 625,462,049,047.72
  5. Step 5: Solve for x
    x = 625,462,049,047.72/1,273,940.28
  6. Step 6: Final answer
    x = 490,966.54

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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.