Home / 1,275,223.50-1,759,781.70-702,268.38

Finding the Fourth Proportional to 1,275,223.50, 1,759,781.70 and 702,268.38

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Solution

The fourth proportional to 1,275,223.50, 1,759,781.70 and 702,268.38 is: 969,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,223.50 : 1,759,781.70 = 702,268.38 : x
  2. Step 2: Convert to fraction form
    1,275,223.50/1,759,781.70 = 702,268.38/x
  3. Step 3: Cross multiply
    1,275,223.50x = 1,759,781.70 × 702,268.38
  4. Step 4: Simplify right side
    1,275,223.50x = 1,235,839,043,612.65
  5. Step 5: Solve for x
    x = 1,235,839,043,612.65/1,275,223.50
  6. Step 6: Final answer
    x = 969,115.64

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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.