Home / 1,078,845.27-1,618,990.22-447,759.69

Finding the Fourth Proportional to 1,078,845.27, 1,618,990.22 and 447,759.69

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Solution

The fourth proportional to 1,078,845.27, 1,618,990.22 and 447,759.69 is: 671,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,845.27 : 1,618,990.22 = 447,759.69 : x
  2. Step 2: Convert to fraction form
    1,078,845.27/1,618,990.22 = 447,759.69/x
  3. Step 3: Cross multiply
    1,078,845.27x = 1,618,990.22 × 447,759.69
  4. Step 4: Simplify right side
    1,078,845.27x = 724,918,554,068.42
  5. Step 5: Solve for x
    x = 724,918,554,068.42/1,078,845.27
  6. Step 6: Final answer
    x = 671,939.32

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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.