Home / 1,379,446.20-2,069,234.10-432,847.80

Finding the Fourth Proportional to 1,379,446.20, 2,069,234.10 and 432,847.80

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Solution

The fourth proportional to 1,379,446.20, 2,069,234.10 and 432,847.80 is: 649,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,446.20 : 2,069,234.10 = 432,847.80 : x
  2. Step 2: Convert to fraction form
    1,379,446.20/2,069,234.10 = 432,847.80/x
  3. Step 3: Cross multiply
    1,379,446.20x = 2,069,234.10 × 432,847.80
  4. Step 4: Simplify right side
    1,379,446.20x = 895,663,427,869.98
  5. Step 5: Solve for x
    x = 895,663,427,869.98/1,379,446.20
  6. Step 6: Final answer
    x = 649,292.03

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Double scale
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1.5x scale

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.