Home / 1,379,444.20-2,069,231.10-432,845.80

Finding the Fourth Proportional to 1,379,444.20, 2,069,231.10 and 432,845.80

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Solution

The fourth proportional to 1,379,444.20, 2,069,231.10 and 432,845.80 is: 649,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,444.20 : 2,069,231.10 = 432,845.80 : x
  2. Step 2: Convert to fraction form
    1,379,444.20/2,069,231.10 = 432,845.80/x
  3. Step 3: Cross multiply
    1,379,444.20x = 2,069,231.10 × 432,845.80
  4. Step 4: Simplify right side
    1,379,444.20x = 895,657,990,864.38
  5. Step 5: Solve for x
    x = 895,657,990,864.38/1,379,444.20
  6. Step 6: Final answer
    x = 649,289.03

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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.