Home / 1,135,869.80-1,700,786.63-685,982.03

Finding the Fourth Proportional to 1,135,869.80, 1,700,786.63 and 685,982.03

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Solution

The fourth proportional to 1,135,869.80, 1,700,786.63 and 685,982.03 is: 1,027,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,869.80 : 1,700,786.63 = 685,982.03 : x
  2. Step 2: Convert to fraction form
    1,135,869.80/1,700,786.63 = 685,982.03/x
  3. Step 3: Cross multiply
    1,135,869.80x = 1,700,786.63 × 685,982.03
  4. Step 4: Simplify right side
    1,135,869.80x = 1,166,709,053,110.42
  5. Step 5: Solve for x
    x = 1,166,709,053,110.42/1,135,869.80
  6. Step 6: Final answer
    x = 1,027,150.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.