Home / 1,413,034.66-1,949,969.49-768,441.13

Finding the Fourth Proportional to 1,413,034.66, 1,949,969.49 and 768,441.13

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Solution

The fourth proportional to 1,413,034.66, 1,949,969.49 and 768,441.13 is: 1,060,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,034.66 : 1,949,969.49 = 768,441.13 : x
  2. Step 2: Convert to fraction form
    1,413,034.66/1,949,969.49 = 768,441.13/x
  3. Step 3: Cross multiply
    1,413,034.66x = 1,949,969.49 × 768,441.13
  4. Step 4: Simplify right side
    1,413,034.66x = 1,498,436,758,361.12
  5. Step 5: Solve for x
    x = 1,498,436,758,361.12/1,413,034.66
  6. Step 6: Final answer
    x = 1,060,438.79

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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.