Home / 1,338,621.94-2,005,792.21-1,202,661.55

Finding the Fourth Proportional to 1,338,621.94, 2,005,792.21 and 1,202,661.55

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Solution

The fourth proportional to 1,338,621.94, 2,005,792.21 and 1,202,661.55 is: 1,802,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,621.94 : 2,005,792.21 = 1,202,661.55 : x
  2. Step 2: Convert to fraction form
    1,338,621.94/2,005,792.21 = 1,202,661.55/x
  3. Step 3: Cross multiply
    1,338,621.94x = 2,005,792.21 × 1,202,661.55
  4. Step 4: Simplify right side
    1,338,621.94x = 2,412,289,168,256.53
  5. Step 5: Solve for x
    x = 2,412,289,168,256.53/1,338,621.94
  6. Step 6: Final answer
    x = 1,802,069.05

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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.