Home / 1,333,938.23-1,840,839.17-722,090.82

Finding the Fourth Proportional to 1,333,938.23, 1,840,839.17 and 722,090.82

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Solution

The fourth proportional to 1,333,938.23, 1,840,839.17 and 722,090.82 is: 996,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,938.23 : 1,840,839.17 = 722,090.82 : x
  2. Step 2: Convert to fraction form
    1,333,938.23/1,840,839.17 = 722,090.82/x
  3. Step 3: Cross multiply
    1,333,938.23x = 1,840,839.17 × 722,090.82
  4. Step 4: Simplify right side
    1,333,938.23x = 1,329,253,069,046.11
  5. Step 5: Solve for x
    x = 1,329,253,069,046.11/1,333,938.23
  6. Step 6: Final answer
    x = 996,487.72

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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.