Home / 1,485,212.94-2,049,242.60-840,633.17

Finding the Fourth Proportional to 1,485,212.94, 2,049,242.60 and 840,633.17

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Solution

The fourth proportional to 1,485,212.94, 2,049,242.60 and 840,633.17 is: 1,159,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,212.94 : 2,049,242.60 = 840,633.17 : x
  2. Step 2: Convert to fraction form
    1,485,212.94/2,049,242.60 = 840,633.17/x
  3. Step 3: Cross multiply
    1,485,212.94x = 2,049,242.60 × 840,633.17
  4. Step 4: Simplify right side
    1,485,212.94x = 1,722,661,288,487.66
  5. Step 5: Solve for x
    x = 1,722,661,288,487.66/1,485,212.94
  6. Step 6: Final answer
    x = 1,159,874.95

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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.