Home / 1,284,467.33-1,926,971.54-485,731.19

Finding the Fourth Proportional to 1,284,467.33, 1,926,971.54 and 485,731.19

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Solution

The fourth proportional to 1,284,467.33, 1,926,971.54 and 485,731.19 is: 728,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,467.33 : 1,926,971.54 = 485,731.19 : x
  2. Step 2: Convert to fraction form
    1,284,467.33/1,926,971.54 = 485,731.19/x
  3. Step 3: Cross multiply
    1,284,467.33x = 1,926,971.54 × 485,731.19
  4. Step 4: Simplify right side
    1,284,467.33x = 935,990,181,609.11
  5. Step 5: Solve for x
    x = 935,990,181,609.11/1,284,467.33
  6. Step 6: Final answer
    x = 728,699.09

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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.