Home / 1,266,249.75-1,900,398.72-981,264.54

Finding the Fourth Proportional to 1,266,249.75, 1,900,398.72 and 981,264.54

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Solution

The fourth proportional to 1,266,249.75, 1,900,398.72 and 981,264.54 is: 1,472,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,249.75 : 1,900,398.72 = 981,264.54 : x
  2. Step 2: Convert to fraction form
    1,266,249.75/1,900,398.72 = 981,264.54/x
  3. Step 3: Cross multiply
    1,266,249.75x = 1,900,398.72 × 981,264.54
  4. Step 4: Simplify right side
    1,266,249.75x = 1,864,793,875,797.39
  5. Step 5: Solve for x
    x = 1,864,793,875,797.39/1,266,249.75
  6. Step 6: Final answer
    x = 1,472,690.42

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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.