Home / 1,520,240.89-2,097,932.64-831,912.92

Finding the Fourth Proportional to 1,520,240.89, 2,097,932.64 and 831,912.92

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Solution

The fourth proportional to 1,520,240.89, 2,097,932.64 and 831,912.92 is: 1,148,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,240.89 : 2,097,932.64 = 831,912.92 : x
  2. Step 2: Convert to fraction form
    1,520,240.89/2,097,932.64 = 831,912.92/x
  3. Step 3: Cross multiply
    1,520,240.89x = 2,097,932.64 × 831,912.92
  4. Step 4: Simplify right side
    1,520,240.89x = 1,745,297,263,323.08
  5. Step 5: Solve for x
    x = 1,745,297,263,323.08/1,520,240.89
  6. Step 6: Final answer
    x = 1,148,039.94

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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.