Home / 1,078,845.52-1,618,990.59-447,759.94

Finding the Fourth Proportional to 1,078,845.52, 1,618,990.59 and 447,759.94

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Solution

The fourth proportional to 1,078,845.52, 1,618,990.59 and 447,759.94 is: 671,939.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,845.52 : 1,618,990.59 = 447,759.94 : x
  2. Step 2: Convert to fraction form
    1,078,845.52/1,618,990.59 = 447,759.94/x
  3. Step 3: Cross multiply
    1,078,845.52x = 1,618,990.59 × 447,759.94
  4. Step 4: Simplify right side
    1,078,845.52x = 724,919,129,438.97
  5. Step 5: Solve for x
    x = 724,919,129,438.97/1,078,845.52
  6. Step 6: Final answer
    x = 671,939.69

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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.