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Finding the Fourth Proportional to 994,502.70, 1,491,754.05 and 859,200.30

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Solution

The fourth proportional to 994,502.70, 1,491,754.05 and 859,200.30 is: 1,288,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,502.70 : 1,491,754.05 = 859,200.30 : x
  2. Step 2: Convert to fraction form
    994,502.70/1,491,754.05 = 859,200.30/x
  3. Step 3: Cross multiply
    994,502.70x = 1,491,754.05 × 859,200.30
  4. Step 4: Simplify right side
    994,502.70x = 1,281,715,527,286.22
  5. Step 5: Solve for x
    x = 1,281,715,527,286.22/994,502.70
  6. Step 6: Final answer
    x = 1,288,800.45

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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.