Home / 1,419,489.26-1,958,903.13-807,642

Finding the Fourth Proportional to 1,419,489.26, 1,958,903.13 and 807,642

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Solution

The fourth proportional to 1,419,489.26, 1,958,903.13 and 807,642 is: 1,114,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,489.26 : 1,958,903.13 = 807,642 : x
  2. Step 2: Convert to fraction form
    1,419,489.26/1,958,903.13 = 807,642/x
  3. Step 3: Cross multiply
    1,419,489.26x = 1,958,903.13 × 807,642
  4. Step 4: Simplify right side
    1,419,489.26x = 1,582,092,438,690.80
  5. Step 5: Solve for x
    x = 1,582,092,438,690.80/1,419,489.26
  6. Step 6: Final answer
    x = 1,114,550.49

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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.