Home / 1,242,489.04-1,863,525.96-344,021.60

Finding the Fourth Proportional to 1,242,489.04, 1,863,525.96 and 344,021.60

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Solution

The fourth proportional to 1,242,489.04, 1,863,525.96 and 344,021.60 is: 515,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,489.04 : 1,863,525.96 = 344,021.60 : x
  2. Step 2: Convert to fraction form
    1,242,489.04/1,863,525.96 = 344,021.60/x
  3. Step 3: Cross multiply
    1,242,489.04x = 1,863,525.96 × 344,021.60
  4. Step 4: Simplify right side
    1,242,489.04x = 641,093,172,223.05
  5. Step 5: Solve for x
    x = 641,093,172,223.05/1,242,489.04
  6. Step 6: Final answer
    x = 515,974.91

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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.