Home / 1,268,458.20-1,902,780.72-549,497.43

Finding the Fourth Proportional to 1,268,458.20, 1,902,780.72 and 549,497.43

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Solution

The fourth proportional to 1,268,458.20, 1,902,780.72 and 549,497.43 is: 824,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,458.20 : 1,902,780.72 = 549,497.43 : x
  2. Step 2: Convert to fraction form
    1,268,458.20/1,902,780.72 = 549,497.43/x
  3. Step 3: Cross multiply
    1,268,458.20x = 1,902,780.72 × 549,497.43
  4. Step 4: Simplify right side
    1,268,458.20x = 1,045,573,115,493.55
  5. Step 5: Solve for x
    x = 1,045,573,115,493.55/1,268,458.20
  6. Step 6: Final answer
    x = 824,286.61

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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.