Home / 1,485,170.91-2,049,365.61-831,705.84

Finding the Fourth Proportional to 1,485,170.91, 2,049,365.61 and 831,705.84

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Solution

The fourth proportional to 1,485,170.91, 2,049,365.61 and 831,705.84 is: 1,147,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,170.91 : 2,049,365.61 = 831,705.84 : x
  2. Step 2: Convert to fraction form
    1,485,170.91/2,049,365.61 = 831,705.84/x
  3. Step 3: Cross multiply
    1,485,170.91x = 2,049,365.61 × 831,705.84
  4. Step 4: Simplify right side
    1,485,170.91x = 1,704,469,346,132.16
  5. Step 5: Solve for x
    x = 1,704,469,346,132.16/1,485,170.91
  6. Step 6: Final answer
    x = 1,147,658.72

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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.