Home / 1,268,543.89-1,902,524.55-756,353.89

Finding the Fourth Proportional to 1,268,543.89, 1,902,524.55 and 756,353.89

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Solution

The fourth proportional to 1,268,543.89, 1,902,524.55 and 756,353.89 is: 1,134,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,543.89 : 1,902,524.55 = 756,353.89 : x
  2. Step 2: Convert to fraction form
    1,268,543.89/1,902,524.55 = 756,353.89/x
  3. Step 3: Cross multiply
    1,268,543.89x = 1,902,524.55 × 756,353.89
  4. Step 4: Simplify right side
    1,268,543.89x = 1,438,981,844,213.00
  5. Step 5: Solve for x
    x = 1,438,981,844,213.00/1,268,543.89
  6. Step 6: Final answer
    x = 1,134,357.16

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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.