Home / 1,151,971.38-1,727,782.11-442,333.62

Finding the Fourth Proportional to 1,151,971.38, 1,727,782.11 and 442,333.62

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Solution

The fourth proportional to 1,151,971.38, 1,727,782.11 and 442,333.62 is: 663,433.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,971.38 : 1,727,782.11 = 442,333.62 : x
  2. Step 2: Convert to fraction form
    1,151,971.38/1,727,782.11 = 442,333.62/x
  3. Step 3: Cross multiply
    1,151,971.38x = 1,727,782.11 × 442,333.62
  4. Step 4: Simplify right side
    1,151,971.38x = 764,256,115,287.54
  5. Step 5: Solve for x
    x = 764,256,115,287.54/1,151,971.38
  6. Step 6: Final answer
    x = 663,433.25

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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.