Home / 1,269,098.27-1,902,700.65-763,540.79

Finding the Fourth Proportional to 1,269,098.27, 1,902,700.65 and 763,540.79

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Solution

The fourth proportional to 1,269,098.27, 1,902,700.65 and 763,540.79 is: 1,144,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,098.27 : 1,902,700.65 = 763,540.79 : x
  2. Step 2: Convert to fraction form
    1,269,098.27/1,902,700.65 = 763,540.79/x
  3. Step 3: Cross multiply
    1,269,098.27x = 1,902,700.65 × 763,540.79
  4. Step 4: Simplify right side
    1,269,098.27x = 1,452,789,557,434.51
  5. Step 5: Solve for x
    x = 1,452,789,557,434.51/1,269,098.27
  6. Step 6: Final answer
    x = 1,144,741.58

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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.