Home / 1,290,906.70-1,936,423.26-492,039.34

Finding the Fourth Proportional to 1,290,906.70, 1,936,423.26 and 492,039.34

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Solution

The fourth proportional to 1,290,906.70, 1,936,423.26 and 492,039.34 is: 738,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,906.70 : 1,936,423.26 = 492,039.34 : x
  2. Step 2: Convert to fraction form
    1,290,906.70/1,936,423.26 = 492,039.34/x
  3. Step 3: Cross multiply
    1,290,906.70x = 1,936,423.26 × 492,039.34
  4. Step 4: Simplify right side
    1,290,906.70x = 952,796,417,969.99
  5. Step 5: Solve for x
    x = 952,796,417,969.99/1,290,906.70
  6. Step 6: Final answer
    x = 738,083.10

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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.