Home / 1,294,761.59-1,786,778.63-751,221.02

Finding the Fourth Proportional to 1,294,761.59, 1,786,778.63 and 751,221.02

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Solution

The fourth proportional to 1,294,761.59, 1,786,778.63 and 751,221.02 is: 1,036,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,761.59 : 1,786,778.63 = 751,221.02 : x
  2. Step 2: Convert to fraction form
    1,294,761.59/1,786,778.63 = 751,221.02/x
  3. Step 3: Cross multiply
    1,294,761.59x = 1,786,778.63 × 751,221.02
  4. Step 4: Simplify right side
    1,294,761.59x = 1,342,265,652,252.80
  5. Step 5: Solve for x
    x = 1,342,265,652,252.80/1,294,761.59
  6. Step 6: Final answer
    x = 1,036,689.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.