Home / 1,189,382.86-1,641,354.44-699,324.69

Finding the Fourth Proportional to 1,189,382.86, 1,641,354.44 and 699,324.69

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Solution

The fourth proportional to 1,189,382.86, 1,641,354.44 and 699,324.69 is: 965,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,382.86 : 1,641,354.44 = 699,324.69 : x
  2. Step 2: Convert to fraction form
    1,189,382.86/1,641,354.44 = 699,324.69/x
  3. Step 3: Cross multiply
    1,189,382.86x = 1,641,354.44 × 699,324.69
  4. Step 4: Simplify right side
    1,189,382.86x = 1,147,839,678,358.96
  5. Step 5: Solve for x
    x = 1,147,839,678,358.96/1,189,382.86
  6. Step 6: Final answer
    x = 965,071.65

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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.