Home / 1,269,117.12-1,902,728.82-763,559.64

Finding the Fourth Proportional to 1,269,117.12, 1,902,728.82 and 763,559.64

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Solution

The fourth proportional to 1,269,117.12, 1,902,728.82 and 763,559.64 is: 1,144,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,117.12 : 1,902,728.82 = 763,559.64 : x
  2. Step 2: Convert to fraction form
    1,269,117.12/1,902,728.82 = 763,559.64/x
  3. Step 3: Cross multiply
    1,269,117.12x = 1,902,728.82 × 763,559.64
  4. Step 4: Simplify right side
    1,269,117.12x = 1,452,846,932,816.83
  5. Step 5: Solve for x
    x = 1,452,846,932,816.83/1,269,117.12
  6. Step 6: Final answer
    x = 1,144,769.79

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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.