Home / 1,538,192.87-2,122,728.42-849,880.56

Finding the Fourth Proportional to 1,538,192.87, 2,122,728.42 and 849,880.56

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Solution

The fourth proportional to 1,538,192.87, 2,122,728.42 and 849,880.56 is: 1,172,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,192.87 : 2,122,728.42 = 849,880.56 : x
  2. Step 2: Convert to fraction form
    1,538,192.87/2,122,728.42 = 849,880.56/x
  3. Step 3: Cross multiply
    1,538,192.87x = 2,122,728.42 × 849,880.56
  4. Step 4: Simplify right side
    1,538,192.87x = 1,804,065,618,317.52
  5. Step 5: Solve for x
    x = 1,804,065,618,317.52/1,538,192.87
  6. Step 6: Final answer
    x = 1,172,847.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.