Home / 1,489,111.49-2,234,611.98-636,189.56

Finding the Fourth Proportional to 1,489,111.49, 2,234,611.98 and 636,189.56

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Solution

The fourth proportional to 1,489,111.49, 2,234,611.98 and 636,189.56 is: 954,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,111.49 : 2,234,611.98 = 636,189.56 : x
  2. Step 2: Convert to fraction form
    1,489,111.49/2,234,611.98 = 636,189.56/x
  3. Step 3: Cross multiply
    1,489,111.49x = 2,234,611.98 × 636,189.56
  4. Step 4: Simplify right side
    1,489,111.49x = 1,421,636,797,972.92
  5. Step 5: Solve for x
    x = 1,421,636,797,972.92/1,489,111.49
  6. Step 6: Final answer
    x = 954,687.95

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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.