Home / 1,439,100.84-2,156,289.30-491,954.88

Finding the Fourth Proportional to 1,439,100.84, 2,156,289.30 and 491,954.88

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Solution

The fourth proportional to 1,439,100.84, 2,156,289.30 and 491,954.88 is: 737,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,100.84 : 2,156,289.30 = 491,954.88 : x
  2. Step 2: Convert to fraction form
    1,439,100.84/2,156,289.30 = 491,954.88/x
  3. Step 3: Cross multiply
    1,439,100.84x = 2,156,289.30 × 491,954.88
  4. Step 4: Simplify right side
    1,439,100.84x = 1,060,797,043,826.78
  5. Step 5: Solve for x
    x = 1,060,797,043,826.78/1,439,100.84
  6. Step 6: Final answer
    x = 737,124.89

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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.