Home / 1,021,180.60-1,531,515.63-301,379.44

Finding the Fourth Proportional to 1,021,180.60, 1,531,515.63 and 301,379.44

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Solution

The fourth proportional to 1,021,180.60, 1,531,515.63 and 301,379.44 is: 451,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,180.60 : 1,531,515.63 = 301,379.44 : x
  2. Step 2: Convert to fraction form
    1,021,180.60/1,531,515.63 = 301,379.44/x
  3. Step 3: Cross multiply
    1,021,180.60x = 1,531,515.63 × 301,379.44
  4. Step 4: Simplify right side
    1,021,180.60x = 461,567,319,091.86
  5. Step 5: Solve for x
    x = 461,567,319,091.86/1,021,180.60
  6. Step 6: Final answer
    x = 451,993.82

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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.