Home / 1,313,649.44-1,812,856.32-769,655.04

Finding the Fourth Proportional to 1,313,649.44, 1,812,856.32 and 769,655.04

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Solution

The fourth proportional to 1,313,649.44, 1,812,856.32 and 769,655.04 is: 1,062,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,649.44 : 1,812,856.32 = 769,655.04 : x
  2. Step 2: Convert to fraction form
    1,313,649.44/1,812,856.32 = 769,655.04/x
  3. Step 3: Cross multiply
    1,313,649.44x = 1,812,856.32 × 769,655.04
  4. Step 4: Simplify right side
    1,313,649.44x = 1,395,274,003,483.85
  5. Step 5: Solve for x
    x = 1,395,274,003,483.85/1,313,649.44
  6. Step 6: Final answer
    x = 1,062,135.73

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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.