Home / 1,485,232.82-2,049,568.26-840,639.17

Finding the Fourth Proportional to 1,485,232.82, 2,049,568.26 and 840,639.17

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Solution

The fourth proportional to 1,485,232.82, 2,049,568.26 and 840,639.17 is: 1,160,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,232.82 : 2,049,568.26 = 840,639.17 : x
  2. Step 2: Convert to fraction form
    1,485,232.82/2,049,568.26 = 840,639.17/x
  3. Step 3: Cross multiply
    1,485,232.82x = 2,049,568.26 × 840,639.17
  4. Step 4: Simplify right side
    1,485,232.82x = 1,722,947,356,741.55
  5. Step 5: Solve for x
    x = 1,722,947,356,741.55/1,485,232.82
  6. Step 6: Final answer
    x = 1,160,052.04

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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.