Home / 1,203,845.80-1,805,243.70-455,366.92

Finding the Fourth Proportional to 1,203,845.80, 1,805,243.70 and 455,366.92

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Solution

The fourth proportional to 1,203,845.80, 1,805,243.70 and 455,366.92 is: 682,851.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,845.80 : 1,805,243.70 = 455,366.92 : x
  2. Step 2: Convert to fraction form
    1,203,845.80/1,805,243.70 = 455,366.92/x
  3. Step 3: Cross multiply
    1,203,845.80x = 1,805,243.70 × 455,366.92
  4. Step 4: Simplify right side
    1,203,845.80x = 822,048,263,518.40
  5. Step 5: Solve for x
    x = 822,048,263,518.40/1,203,845.80
  6. Step 6: Final answer
    x = 682,851.79

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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.