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Finding the Fourth Proportional to 1,789,676.94, 2,684,520.94 and 441,839.70

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Solution

The fourth proportional to 1,789,676.94, 2,684,520.94 and 441,839.70 is: 662,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,676.94 : 2,684,520.94 = 441,839.70 : x
  2. Step 2: Convert to fraction form
    1,789,676.94/2,684,520.94 = 441,839.70/x
  3. Step 3: Cross multiply
    1,789,676.94x = 2,684,520.94 × 441,839.70
  4. Step 4: Simplify right side
    1,789,676.94x = 1,186,127,926,773.32
  5. Step 5: Solve for x
    x = 1,186,127,926,773.32/1,789,676.94
  6. Step 6: Final answer
    x = 662,760.92

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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.