Home / 1,541,246.40-2,311,872.84-831,608.64

Finding the Fourth Proportional to 1,541,246.40, 2,311,872.84 and 831,608.64

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Solution

The fourth proportional to 1,541,246.40, 2,311,872.84 and 831,608.64 is: 1,247,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,246.40 : 2,311,872.84 = 831,608.64 : x
  2. Step 2: Convert to fraction form
    1,541,246.40/2,311,872.84 = 831,608.64/x
  3. Step 3: Cross multiply
    1,541,246.40x = 2,311,872.84 × 831,608.64
  4. Step 4: Simplify right side
    1,541,246.40x = 1,922,573,428,325.34
  5. Step 5: Solve for x
    x = 1,922,573,428,325.34/1,541,246.40
  6. Step 6: Final answer
    x = 1,247,414.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.