Home / 1,379,331.86-2,068,995.96-432,776.39

Finding the Fourth Proportional to 1,379,331.86, 2,068,995.96 and 432,776.39

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Solution

The fourth proportional to 1,379,331.86, 2,068,995.96 and 432,776.39 is: 649,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,331.86 : 2,068,995.96 = 432,776.39 : x
  2. Step 2: Convert to fraction form
    1,379,331.86/2,068,995.96 = 432,776.39/x
  3. Step 3: Cross multiply
    1,379,331.86x = 2,068,995.96 × 432,776.39
  4. Step 4: Simplify right side
    1,379,331.86x = 895,412,592,148.41
  5. Step 5: Solve for x
    x = 895,412,592,148.41/1,379,331.86
  6. Step 6: Final answer
    x = 649,164.01

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Double scale
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Similar ratio
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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.