Home / 4,247,813.70-6,371,720.55-1,255,997.70

Finding the Fourth Proportional to 4,247,813.70, 6,371,720.55 and 1,255,997.70

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Solution

The fourth proportional to 4,247,813.70, 6,371,720.55 and 1,255,997.70 is: 1,883,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,813.70 : 6,371,720.55 = 1,255,997.70 : x
  2. Step 2: Convert to fraction form
    4,247,813.70/6,371,720.55 = 1,255,997.70/x
  3. Step 3: Cross multiply
    4,247,813.70x = 6,371,720.55 × 1,255,997.70
  4. Step 4: Simplify right side
    4,247,813.70x = 8,002,866,355,842.74
  5. Step 5: Solve for x
    x = 8,002,866,355,842.74/4,247,813.70
  6. Step 6: Final answer
    x = 1,883,996.55

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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.