Home / 1,412,742.60-1,949,571.20-768,163.04

Finding the Fourth Proportional to 1,412,742.60, 1,949,571.20 and 768,163.04

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Solution

The fourth proportional to 1,412,742.60, 1,949,571.20 and 768,163.04 is: 1,060,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,742.60 : 1,949,571.20 = 768,163.04 : x
  2. Step 2: Convert to fraction form
    1,412,742.60/1,949,571.20 = 768,163.04/x
  3. Step 3: Cross multiply
    1,412,742.60x = 1,949,571.20 × 768,163.04
  4. Step 4: Simplify right side
    1,412,742.60x = 1,497,588,539,688.45
  5. Step 5: Solve for x
    x = 1,497,588,539,688.45/1,412,742.60
  6. Step 6: Final answer
    x = 1,060,057.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.