Home / 1,435,902.31-1,981,586.70-791,364.01

Finding the Fourth Proportional to 1,435,902.31, 1,981,586.70 and 791,364.01

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Solution

The fourth proportional to 1,435,902.31, 1,981,586.70 and 791,364.01 is: 1,092,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,902.31 : 1,981,586.70 = 791,364.01 : x
  2. Step 2: Convert to fraction form
    1,435,902.31/1,981,586.70 = 791,364.01/x
  3. Step 3: Cross multiply
    1,435,902.31x = 1,981,586.70 × 791,364.01
  4. Step 4: Simplify right side
    1,435,902.31x = 1,568,156,397,074.67
  5. Step 5: Solve for x
    x = 1,568,156,397,074.67/1,435,902.31
  6. Step 6: Final answer
    x = 1,092,105.21

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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.