Home / 1,010,642.14-1,515,163.53-379,485.66

Finding the Fourth Proportional to 1,010,642.14, 1,515,163.53 and 379,485.66

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Solution

The fourth proportional to 1,010,642.14, 1,515,163.53 and 379,485.66 is: 568,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,642.14 : 1,515,163.53 = 379,485.66 : x
  2. Step 2: Convert to fraction form
    1,010,642.14/1,515,163.53 = 379,485.66/x
  3. Step 3: Cross multiply
    1,010,642.14x = 1,515,163.53 × 379,485.66
  4. Step 4: Simplify right side
    1,010,642.14x = 574,982,832,189.98
  5. Step 5: Solve for x
    x = 574,982,832,189.98/1,010,642.14
  6. Step 6: Final answer
    x = 568,928.22

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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.