Home / 1,276,107.68-1,914,493.80-477,451.64

Finding the Fourth Proportional to 1,276,107.68, 1,914,493.80 and 477,451.64

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Solution

The fourth proportional to 1,276,107.68, 1,914,493.80 and 477,451.64 is: 716,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,107.68 : 1,914,493.80 = 477,451.64 : x
  2. Step 2: Convert to fraction form
    1,276,107.68/1,914,493.80 = 477,451.64/x
  3. Step 3: Cross multiply
    1,276,107.68x = 1,914,493.80 × 477,451.64
  4. Step 4: Simplify right side
    1,276,107.68x = 914,078,204,579.83
  5. Step 5: Solve for x
    x = 914,078,204,579.83/1,276,107.68
  6. Step 6: Final answer
    x = 716,301.78

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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.