Home / 1,290,926.89-1,936,453.51-492,059.53

Finding the Fourth Proportional to 1,290,926.89, 1,936,453.51 and 492,059.53

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Solution

The fourth proportional to 1,290,926.89, 1,936,453.51 and 492,059.53 is: 738,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,926.89 : 1,936,453.51 = 492,059.53 : x
  2. Step 2: Convert to fraction form
    1,290,926.89/1,936,453.51 = 492,059.53/x
  3. Step 3: Cross multiply
    1,290,926.89x = 1,936,453.51 × 492,059.53
  4. Step 4: Simplify right side
    1,290,926.89x = 952,850,403,997.45
  5. Step 5: Solve for x
    x = 952,850,403,997.45/1,290,926.89
  6. Step 6: Final answer
    x = 738,113.38

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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.