Home / 1,273,847.38-1,908,671.55-739,869.46

Finding the Fourth Proportional to 1,273,847.38, 1,908,671.55 and 739,869.46

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Solution

The fourth proportional to 1,273,847.38, 1,908,671.55 and 739,869.46 is: 1,108,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,847.38 : 1,908,671.55 = 739,869.46 : x
  2. Step 2: Convert to fraction form
    1,273,847.38/1,908,671.55 = 739,869.46/x
  3. Step 3: Cross multiply
    1,273,847.38x = 1,908,671.55 × 739,869.46
  4. Step 4: Simplify right side
    1,273,847.38x = 1,412,167,789,015.86
  5. Step 5: Solve for x
    x = 1,412,167,789,015.86/1,273,847.38
  6. Step 6: Final answer
    x = 1,108,584.76

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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.