Home / 1,092,604.80-1,638,129.60-418,425.60

Finding the Fourth Proportional to 1,092,604.80, 1,638,129.60 and 418,425.60

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Solution

The fourth proportional to 1,092,604.80, 1,638,129.60 and 418,425.60 is: 627,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,604.80 : 1,638,129.60 = 418,425.60 : x
  2. Step 2: Convert to fraction form
    1,092,604.80/1,638,129.60 = 418,425.60/x
  3. Step 3: Cross multiply
    1,092,604.80x = 1,638,129.60 × 418,425.60
  4. Step 4: Simplify right side
    1,092,604.80x = 685,435,360,757.76
  5. Step 5: Solve for x
    x = 685,435,360,757.76/1,092,604.80
  6. Step 6: Final answer
    x = 627,340.61

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1.5x scale

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.