Home / 1,790,080.37-2,685,127.86-725,142.59

Finding the Fourth Proportional to 1,790,080.37, 2,685,127.86 and 725,142.59

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Solution

The fourth proportional to 1,790,080.37, 2,685,127.86 and 725,142.59 is: 1,087,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,080.37 : 2,685,127.86 = 725,142.59 : x
  2. Step 2: Convert to fraction form
    1,790,080.37/2,685,127.86 = 725,142.59/x
  3. Step 3: Cross multiply
    1,790,080.37x = 2,685,127.86 × 725,142.59
  4. Step 4: Simplify right side
    1,790,080.37x = 1,947,100,557,455.92
  5. Step 5: Solve for x
    x = 1,947,100,557,455.92/1,790,080.37
  6. Step 6: Final answer
    x = 1,087,716.84

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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.