Home / 1,268,542.89-1,902,523.05-756,352.89

Finding the Fourth Proportional to 1,268,542.89, 1,902,523.05 and 756,352.89

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Solution

The fourth proportional to 1,268,542.89, 1,902,523.05 and 756,352.89 is: 1,134,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,542.89 : 1,902,523.05 = 756,352.89 : x
  2. Step 2: Convert to fraction form
    1,268,542.89/1,902,523.05 = 756,352.89/x
  3. Step 3: Cross multiply
    1,268,542.89x = 1,902,523.05 × 756,352.89
  4. Step 4: Simplify right side
    1,268,542.89x = 1,438,978,807,159.11
  5. Step 5: Solve for x
    x = 1,438,978,807,159.11/1,268,542.89
  6. Step 6: Final answer
    x = 1,134,355.66

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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.