Home / 1,259,351.74-1,737,906.03-715,488.46

Finding the Fourth Proportional to 1,259,351.74, 1,737,906.03 and 715,488.46

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Solution

The fourth proportional to 1,259,351.74, 1,737,906.03 and 715,488.46 is: 987,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,351.74 : 1,737,906.03 = 715,488.46 : x
  2. Step 2: Convert to fraction form
    1,259,351.74/1,737,906.03 = 715,488.46/x
  3. Step 3: Cross multiply
    1,259,351.74x = 1,737,906.03 × 715,488.46
  4. Step 4: Simplify right side
    1,259,351.74x = 1,243,451,709,029.41
  5. Step 5: Solve for x
    x = 1,243,451,709,029.41/1,259,351.74
  6. Step 6: Final answer
    x = 987,374.43

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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.