Home / 1,419,608.80-2,128,635.60-577,208.80

Finding the Fourth Proportional to 1,419,608.80, 2,128,635.60 and 577,208.80

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Solution

The fourth proportional to 1,419,608.80, 2,128,635.60 and 577,208.80 is: 865,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,608.80 : 2,128,635.60 = 577,208.80 : x
  2. Step 2: Convert to fraction form
    1,419,608.80/2,128,635.60 = 577,208.80/x
  3. Step 3: Cross multiply
    1,419,608.80x = 2,128,635.60 × 577,208.80
  4. Step 4: Simplify right side
    1,419,608.80x = 1,228,667,200,313.28
  5. Step 5: Solve for x
    x = 1,228,667,200,313.28/1,419,608.80
  6. Step 6: Final answer
    x = 865,497.03

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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.