Home / 1,435,609.40-1,981,229.40-791,029.40

Finding the Fourth Proportional to 1,435,609.40, 1,981,229.40 and 791,029.40

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Solution

The fourth proportional to 1,435,609.40, 1,981,229.40 and 791,029.40 is: 1,091,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,609.40 : 1,981,229.40 = 791,029.40 : x
  2. Step 2: Convert to fraction form
    1,435,609.40/1,981,229.40 = 791,029.40/x
  3. Step 3: Cross multiply
    1,435,609.40x = 1,981,229.40 × 791,029.40
  4. Step 4: Simplify right side
    1,435,609.40x = 1,567,210,703,544.36
  5. Step 5: Solve for x
    x = 1,567,210,703,544.36/1,435,609.40
  6. Step 6: Final answer
    x = 1,091,669.30

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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.