Home / 1,370,315.33-1,890,986.88-758,469.27

Finding the Fourth Proportional to 1,370,315.33, 1,890,986.88 and 758,469.27

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Solution

The fourth proportional to 1,370,315.33, 1,890,986.88 and 758,469.27 is: 1,046,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,315.33 : 1,890,986.88 = 758,469.27 : x
  2. Step 2: Convert to fraction form
    1,370,315.33/1,890,986.88 = 758,469.27/x
  3. Step 3: Cross multiply
    1,370,315.33x = 1,890,986.88 × 758,469.27
  4. Step 4: Simplify right side
    1,370,315.33x = 1,434,255,438,453.18
  5. Step 5: Solve for x
    x = 1,434,255,438,453.18/1,370,315.33
  6. Step 6: Final answer
    x = 1,046,660.87

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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.