Home / 1,354,520.27-1,869,273.65-765,772.85

Finding the Fourth Proportional to 1,354,520.27, 1,869,273.65 and 765,772.85

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Solution

The fourth proportional to 1,354,520.27, 1,869,273.65 and 765,772.85 is: 1,056,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,520.27 : 1,869,273.65 = 765,772.85 : x
  2. Step 2: Convert to fraction form
    1,354,520.27/1,869,273.65 = 765,772.85/x
  3. Step 3: Cross multiply
    1,354,520.27x = 1,869,273.65 × 765,772.85
  4. Step 4: Simplify right side
    1,354,520.27x = 1,431,439,010,390.40
  5. Step 5: Solve for x
    x = 1,431,439,010,390.40/1,354,520.27
  6. Step 6: Final answer
    x = 1,056,786.70

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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.