Home / 1,200,829.40-1,801,244.10-491,366.60

Finding the Fourth Proportional to 1,200,829.40, 1,801,244.10 and 491,366.60

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Solution

The fourth proportional to 1,200,829.40, 1,801,244.10 and 491,366.60 is: 737,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,829.40 : 1,801,244.10 = 491,366.60 : x
  2. Step 2: Convert to fraction form
    1,200,829.40/1,801,244.10 = 491,366.60/x
  3. Step 3: Cross multiply
    1,200,829.40x = 1,801,244.10 × 491,366.60
  4. Step 4: Simplify right side
    1,200,829.40x = 885,071,189,187.06
  5. Step 5: Solve for x
    x = 885,071,189,187.06/1,200,829.40
  6. Step 6: Final answer
    x = 737,049.90

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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.