Home / 1,435,809.25-1,981,429.77-791,252.56

Finding the Fourth Proportional to 1,435,809.25, 1,981,429.77 and 791,252.56

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Solution

The fourth proportional to 1,435,809.25, 1,981,429.77 and 791,252.56 is: 1,091,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,809.25 : 1,981,429.77 = 791,252.56 : x
  2. Step 2: Convert to fraction form
    1,435,809.25/1,981,429.77 = 791,252.56/x
  3. Step 3: Cross multiply
    1,435,809.25x = 1,981,429.77 × 791,252.56
  4. Step 4: Simplify right side
    1,435,809.25x = 1,567,811,377,972.71
  5. Step 5: Solve for x
    x = 1,567,811,377,972.71/1,435,809.25
  6. Step 6: Final answer
    x = 1,091,935.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.