Home / 1,293,271.29-1,939,906.67-394,717.59

Finding the Fourth Proportional to 1,293,271.29, 1,939,906.67 and 394,717.59

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Solution

The fourth proportional to 1,293,271.29, 1,939,906.67 and 394,717.59 is: 592,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,271.29 : 1,939,906.67 = 394,717.59 : x
  2. Step 2: Convert to fraction form
    1,293,271.29/1,939,906.67 = 394,717.59/x
  3. Step 3: Cross multiply
    1,293,271.29x = 1,939,906.67 × 394,717.59
  4. Step 4: Simplify right side
    1,293,271.29x = 765,715,283,633.74
  5. Step 5: Solve for x
    x = 765,715,283,633.74/1,293,271.29
  6. Step 6: Final answer
    x = 592,076.30

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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.