Home / 1,427,872.95-2,141,816.85-481,251.87

Finding the Fourth Proportional to 1,427,872.95, 2,141,816.85 and 481,251.87

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Solution

The fourth proportional to 1,427,872.95, 2,141,816.85 and 481,251.87 is: 721,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,872.95 : 2,141,816.85 = 481,251.87 : x
  2. Step 2: Convert to fraction form
    1,427,872.95/2,141,816.85 = 481,251.87/x
  3. Step 3: Cross multiply
    1,427,872.95x = 2,141,816.85 × 481,251.87
  4. Step 4: Simplify right side
    1,427,872.95x = 1,030,753,364,260.01
  5. Step 5: Solve for x
    x = 1,030,753,364,260.01/1,427,872.95
  6. Step 6: Final answer
    x = 721,880.31

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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.