Home / 1,259,253.13-1,737,816.21-715,481.11

Finding the Fourth Proportional to 1,259,253.13, 1,737,816.21 and 715,481.11

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Solution

The fourth proportional to 1,259,253.13, 1,737,816.21 and 715,481.11 is: 987,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,253.13 : 1,737,816.21 = 715,481.11 : x
  2. Step 2: Convert to fraction form
    1,259,253.13/1,737,816.21 = 715,481.11/x
  3. Step 3: Cross multiply
    1,259,253.13x = 1,737,816.21 × 715,481.11
  4. Step 4: Simplify right side
    1,259,253.13x = 1,243,374,670,906.79
  5. Step 5: Solve for x
    x = 1,243,374,670,906.79/1,259,253.13
  6. Step 6: Final answer
    x = 987,390.57

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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.