Home / 1,398,378.92-2,096,061.30-677,193.80

Finding the Fourth Proportional to 1,398,378.92, 2,096,061.30 and 677,193.80

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Solution

The fourth proportional to 1,398,378.92, 2,096,061.30 and 677,193.80 is: 1,015,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,378.92 : 2,096,061.30 = 677,193.80 : x
  2. Step 2: Convert to fraction form
    1,398,378.92/2,096,061.30 = 677,193.80/x
  3. Step 3: Cross multiply
    1,398,378.92x = 2,096,061.30 × 677,193.80
  4. Step 4: Simplify right side
    1,398,378.92x = 1,419,439,716,779.94
  5. Step 5: Solve for x
    x = 1,419,439,716,779.94/1,398,378.92
  6. Step 6: Final answer
    x = 1,015,060.87

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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.