Home / 1,435,787.48-1,981,400.06-791,230.79

Finding the Fourth Proportional to 1,435,787.48, 1,981,400.06 and 791,230.79

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Solution

The fourth proportional to 1,435,787.48, 1,981,400.06 and 791,230.79 is: 1,091,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,787.48 : 1,981,400.06 = 791,230.79 : x
  2. Step 2: Convert to fraction form
    1,435,787.48/1,981,400.06 = 791,230.79/x
  3. Step 3: Cross multiply
    1,435,787.48x = 1,981,400.06 × 791,230.79
  4. Step 4: Simplify right side
    1,435,787.48x = 1,567,744,741,711.42
  5. Step 5: Solve for x
    x = 1,567,744,741,711.42/1,435,787.48
  6. Step 6: Final answer
    x = 1,091,905.84

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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.