Home / 1,202,940.45-1,803,280.41-403,661.43

Finding the Fourth Proportional to 1,202,940.45, 1,803,280.41 and 403,661.43

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Solution

The fourth proportional to 1,202,940.45, 1,803,280.41 and 403,661.43 is: 605,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,940.45 : 1,803,280.41 = 403,661.43 : x
  2. Step 2: Convert to fraction form
    1,202,940.45/1,803,280.41 = 403,661.43/x
  3. Step 3: Cross multiply
    1,202,940.45x = 1,803,280.41 × 403,661.43
  4. Step 4: Simplify right side
    1,202,940.45x = 727,914,748,991.59
  5. Step 5: Solve for x
    x = 727,914,748,991.59/1,202,940.45
  6. Step 6: Final answer
    x = 605,112.87

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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.