Home / 1,206,112.80-1,808,513.10-496,212.60

Finding the Fourth Proportional to 1,206,112.80, 1,808,513.10 and 496,212.60

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Solution

The fourth proportional to 1,206,112.80, 1,808,513.10 and 496,212.60 is: 744,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,112.80 : 1,808,513.10 = 496,212.60 : x
  2. Step 2: Convert to fraction form
    1,206,112.80/1,808,513.10 = 496,212.60/x
  3. Step 3: Cross multiply
    1,206,112.80x = 1,808,513.10 × 496,212.60
  4. Step 4: Simplify right side
    1,206,112.80x = 897,406,987,485.06
  5. Step 5: Solve for x
    x = 897,406,987,485.06/1,206,112.80
  6. Step 6: Final answer
    x = 744,048.97

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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.