Home / 1,435,746.49-1,981,343.45-791,189.75

Finding the Fourth Proportional to 1,435,746.49, 1,981,343.45 and 791,189.75

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Solution

The fourth proportional to 1,435,746.49, 1,981,343.45 and 791,189.75 is: 1,091,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,746.49 : 1,981,343.45 = 791,189.75 : x
  2. Step 2: Convert to fraction form
    1,435,746.49/1,981,343.45 = 791,189.75/x
  3. Step 3: Cross multiply
    1,435,746.49x = 1,981,343.45 × 791,189.75
  4. Step 4: Simplify right side
    1,435,746.49x = 1,567,618,635,800.97
  5. Step 5: Solve for x
    x = 1,567,618,635,800.97/1,435,746.49
  6. Step 6: Final answer
    x = 1,091,849.19

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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.