Home / 1,313,579.30-1,970,634.83-555,419.53

Finding the Fourth Proportional to 1,313,579.30, 1,970,634.83 and 555,419.53

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Solution

The fourth proportional to 1,313,579.30, 1,970,634.83 and 555,419.53 is: 833,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,579.30 : 1,970,634.83 = 555,419.53 : x
  2. Step 2: Convert to fraction form
    1,313,579.30/1,970,634.83 = 555,419.53/x
  3. Step 3: Cross multiply
    1,313,579.30x = 1,970,634.83 × 555,419.53
  4. Step 4: Simplify right side
    1,313,579.30x = 1,094,529,070,766.43
  5. Step 5: Solve for x
    x = 1,094,529,070,766.43/1,313,579.30
  6. Step 6: Final answer
    x = 833,241.71

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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.