Home / 1,284,375.21-1,925,172.25-835,416.92

Finding the Fourth Proportional to 1,284,375.21, 1,925,172.25 and 835,416.92

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Solution

The fourth proportional to 1,284,375.21, 1,925,172.25 and 835,416.92 is: 1,252,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,375.21 : 1,925,172.25 = 835,416.92 : x
  2. Step 2: Convert to fraction form
    1,284,375.21/1,925,172.25 = 835,416.92/x
  3. Step 3: Cross multiply
    1,284,375.21x = 1,925,172.25 × 835,416.92
  4. Step 4: Simplify right side
    1,284,375.21x = 1,608,321,471,564.47
  5. Step 5: Solve for x
    x = 1,608,321,471,564.47/1,284,375.21
  6. Step 6: Final answer
    x = 1,252,220.89

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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.