Home / 1,070,049.96-1,605,284.64-396,136.80

Finding the Fourth Proportional to 1,070,049.96, 1,605,284.64 and 396,136.80

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Solution

The fourth proportional to 1,070,049.96, 1,605,284.64 and 396,136.80 is: 594,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,049.96 : 1,605,284.64 = 396,136.80 : x
  2. Step 2: Convert to fraction form
    1,070,049.96/1,605,284.64 = 396,136.80/x
  3. Step 3: Cross multiply
    1,070,049.96x = 1,605,284.64 × 396,136.80
  4. Step 4: Simplify right side
    1,070,049.96x = 635,912,320,378.75
  5. Step 5: Solve for x
    x = 635,912,320,378.75/1,070,049.96
  6. Step 6: Final answer
    x = 594,282.83

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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.