Home / 1,085,996.04-1,629,089.78-402,890.80

Finding the Fourth Proportional to 1,085,996.04, 1,629,089.78 and 402,890.80

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Solution

The fourth proportional to 1,085,996.04, 1,629,089.78 and 402,890.80 is: 604,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,996.04 : 1,629,089.78 = 402,890.80 : x
  2. Step 2: Convert to fraction form
    1,085,996.04/1,629,089.78 = 402,890.80/x
  3. Step 3: Cross multiply
    1,085,996.04x = 1,629,089.78 × 402,890.80
  4. Step 4: Simplify right side
    1,085,996.04x = 656,345,284,736.02
  5. Step 5: Solve for x
    x = 656,345,284,736.02/1,085,996.04
  6. Step 6: Final answer
    x = 604,371.71

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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.