Home / 1,015,279.82-1,521,894.83-636,466.61

Finding the Fourth Proportional to 1,015,279.82, 1,521,894.83 and 636,466.61

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Solution

The fourth proportional to 1,015,279.82, 1,521,894.83 and 636,466.61 is: 954,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,279.82 : 1,521,894.83 = 636,466.61 : x
  2. Step 2: Convert to fraction form
    1,015,279.82/1,521,894.83 = 636,466.61/x
  3. Step 3: Cross multiply
    1,015,279.82x = 1,521,894.83 × 636,466.61
  4. Step 4: Simplify right side
    1,015,279.82x = 968,635,243,849.03
  5. Step 5: Solve for x
    x = 968,635,243,849.03/1,015,279.82
  6. Step 6: Final answer
    x = 954,057.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.