Home / 1,415,247.80-1,952,990.39-770,653.85

Finding the Fourth Proportional to 1,415,247.80, 1,952,990.39 and 770,653.85

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Solution

The fourth proportional to 1,415,247.80, 1,952,990.39 and 770,653.85 is: 1,063,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,247.80 : 1,952,990.39 = 770,653.85 : x
  2. Step 2: Convert to fraction form
    1,415,247.80/1,952,990.39 = 770,653.85/x
  3. Step 3: Cross multiply
    1,415,247.80x = 1,952,990.39 × 770,653.85
  4. Step 4: Simplify right side
    1,415,247.80x = 1,505,079,555,228.18
  5. Step 5: Solve for x
    x = 1,505,079,555,228.18/1,415,247.80
  6. Step 6: Final answer
    x = 1,063,474.23

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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.