Home / 1,225,174.13-1,690,760.25-673,911.62

Finding the Fourth Proportional to 1,225,174.13, 1,690,760.25 and 673,911.62

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Solution

The fourth proportional to 1,225,174.13, 1,690,760.25 and 673,911.62 is: 930,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,174.13 : 1,690,760.25 = 673,911.62 : x
  2. Step 2: Convert to fraction form
    1,225,174.13/1,690,760.25 = 673,911.62/x
  3. Step 3: Cross multiply
    1,225,174.13x = 1,690,760.25 × 673,911.62
  4. Step 4: Simplify right side
    1,225,174.13x = 1,139,422,979,109.11
  5. Step 5: Solve for x
    x = 1,139,422,979,109.11/1,225,174.13
  6. Step 6: Final answer
    x = 930,009.01

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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.