Home / 1,206,429.62-1,809,904.77-407,693.48

Finding the Fourth Proportional to 1,206,429.62, 1,809,904.77 and 407,693.48

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Solution

The fourth proportional to 1,206,429.62, 1,809,904.77 and 407,693.48 is: 611,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,429.62 : 1,809,904.77 = 407,693.48 : x
  2. Step 2: Convert to fraction form
    1,206,429.62/1,809,904.77 = 407,693.48/x
  3. Step 3: Cross multiply
    1,206,429.62x = 1,809,904.77 × 407,693.48
  4. Step 4: Simplify right side
    1,206,429.62x = 737,886,365,100.38
  5. Step 5: Solve for x
    x = 737,886,365,100.38/1,206,429.62
  6. Step 6: Final answer
    x = 611,628.19

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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.