Home / 1,515,001.86-2,272,113.99-449,796.78

Finding the Fourth Proportional to 1,515,001.86, 2,272,113.99 and 449,796.78

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Solution

The fourth proportional to 1,515,001.86, 2,272,113.99 and 449,796.78 is: 674,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,001.86 : 2,272,113.99 = 449,796.78 : x
  2. Step 2: Convert to fraction form
    1,515,001.86/2,272,113.99 = 449,796.78/x
  3. Step 3: Cross multiply
    1,515,001.86x = 2,272,113.99 × 449,796.78
  4. Step 4: Simplify right side
    1,515,001.86x = 1,021,989,556,494.95
  5. Step 5: Solve for x
    x = 1,021,989,556,494.95/1,515,001.86
  6. Step 6: Final answer
    x = 674,579.74

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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.