Home / 1,435,640.40-1,981,272.12-791,060.40

Finding the Fourth Proportional to 1,435,640.40, 1,981,272.12 and 791,060.40

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Solution

The fourth proportional to 1,435,640.40, 1,981,272.12 and 791,060.40 is: 1,091,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,640.40 : 1,981,272.12 = 791,060.40 : x
  2. Step 2: Convert to fraction form
    1,435,640.40/1,981,272.12 = 791,060.40/x
  3. Step 3: Cross multiply
    1,435,640.40x = 1,981,272.12 × 791,060.40
  4. Step 4: Simplify right side
    1,435,640.40x = 1,567,305,915,756.05
  5. Step 5: Solve for x
    x = 1,567,305,915,756.05/1,435,640.40
  6. Step 6: Final answer
    x = 1,091,712.04

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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.