Home / 1,379,270.96-2,068,240.08-480,691.52

Finding the Fourth Proportional to 1,379,270.96, 2,068,240.08 and 480,691.52

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Solution

The fourth proportional to 1,379,270.96, 2,068,240.08 and 480,691.52 is: 720,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,270.96 : 2,068,240.08 = 480,691.52 : x
  2. Step 2: Convert to fraction form
    1,379,270.96/2,068,240.08 = 480,691.52/x
  3. Step 3: Cross multiply
    1,379,270.96x = 2,068,240.08 × 480,691.52
  4. Step 4: Simplify right side
    1,379,270.96x = 994,185,467,780.12
  5. Step 5: Solve for x
    x = 994,185,467,780.12/1,379,270.96
  6. Step 6: Final answer
    x = 720,805.05

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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.