Home / 1,720,004.20-2,578,163.10-654,634.60

Finding the Fourth Proportional to 1,720,004.20, 2,578,163.10 and 654,634.60

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Solution

The fourth proportional to 1,720,004.20, 2,578,163.10 and 654,634.60 is: 981,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,004.20 : 2,578,163.10 = 654,634.60 : x
  2. Step 2: Convert to fraction form
    1,720,004.20/2,578,163.10 = 654,634.60/x
  3. Step 3: Cross multiply
    1,720,004.20x = 2,578,163.10 × 654,634.60
  4. Step 4: Simplify right side
    1,720,004.20x = 1,687,754,769,703.26
  5. Step 5: Solve for x
    x = 1,687,754,769,703.26/1,720,004.20
  6. Step 6: Final answer
    x = 981,250.38

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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.