Home / 1,293,349.80-1,939,103.10-494,322.60

Finding the Fourth Proportional to 1,293,349.80, 1,939,103.10 and 494,322.60

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Solution

The fourth proportional to 1,293,349.80, 1,939,103.10 and 494,322.60 is: 741,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,349.80 : 1,939,103.10 = 494,322.60 : x
  2. Step 2: Convert to fraction form
    1,293,349.80/1,939,103.10 = 494,322.60/x
  3. Step 3: Cross multiply
    1,293,349.80x = 1,939,103.10 × 494,322.60
  4. Step 4: Simplify right side
    1,293,349.80x = 958,542,486,060.06
  5. Step 5: Solve for x
    x = 958,542,486,060.06/1,293,349.80
  6. Step 6: Final answer
    x = 741,131.66

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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.