Home / 1,208,896.80-1,813,791.60-498,986.40

Finding the Fourth Proportional to 1,208,896.80, 1,813,791.60 and 498,986.40

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Solution

The fourth proportional to 1,208,896.80, 1,813,791.60 and 498,986.40 is: 748,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,896.80 : 1,813,791.60 = 498,986.40 : x
  2. Step 2: Convert to fraction form
    1,208,896.80/1,813,791.60 = 498,986.40/x
  3. Step 3: Cross multiply
    1,208,896.80x = 1,813,791.60 × 498,986.40
  4. Step 4: Simplify right side
    1,208,896.80x = 905,057,340,834.24
  5. Step 5: Solve for x
    x = 905,057,340,834.24/1,208,896.80
  6. Step 6: Final answer
    x = 748,663.86

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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.