Home / 1,231,398.22-1,699,612.96-722,264.62

Finding the Fourth Proportional to 1,231,398.22, 1,699,612.96 and 722,264.62

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Solution

The fourth proportional to 1,231,398.22, 1,699,612.96 and 722,264.62 is: 996,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,398.22 : 1,699,612.96 = 722,264.62 : x
  2. Step 2: Convert to fraction form
    1,231,398.22/1,699,612.96 = 722,264.62/x
  3. Step 3: Cross multiply
    1,231,398.22x = 1,699,612.96 × 722,264.62
  4. Step 4: Simplify right side
    1,231,398.22x = 1,227,570,308,701.48
  5. Step 5: Solve for x
    x = 1,227,570,308,701.48/1,231,398.22
  6. Step 6: Final answer
    x = 996,891.41

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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.