Home / 1,211,329.92-1,817,833.72-481,778.30

Finding the Fourth Proportional to 1,211,329.92, 1,817,833.72 and 481,778.30

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Solution

The fourth proportional to 1,211,329.92, 1,817,833.72 and 481,778.30 is: 723,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,329.92 : 1,817,833.72 = 481,778.30 : x
  2. Step 2: Convert to fraction form
    1,211,329.92/1,817,833.72 = 481,778.30/x
  3. Step 3: Cross multiply
    1,211,329.92x = 1,817,833.72 × 481,778.30
  4. Step 4: Simplify right side
    1,211,329.92x = 875,792,839,304.28
  5. Step 5: Solve for x
    x = 875,792,839,304.28/1,211,329.92
  6. Step 6: Final answer
    x = 723,001.08

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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.