Home / 1,350,955.41-1,856,515.92-1,288,507.65

Finding the Fourth Proportional to 1,350,955.41, 1,856,515.92 and 1,288,507.65

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Solution

The fourth proportional to 1,350,955.41, 1,856,515.92 and 1,288,507.65 is: 1,770,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,955.41 : 1,856,515.92 = 1,288,507.65 : x
  2. Step 2: Convert to fraction form
    1,350,955.41/1,856,515.92 = 1,288,507.65/x
  3. Step 3: Cross multiply
    1,350,955.41x = 1,856,515.92 × 1,288,507.65
  4. Step 4: Simplify right side
    1,350,955.41x = 2,392,134,965,266.79
  5. Step 5: Solve for x
    x = 2,392,134,965,266.79/1,350,955.41
  6. Step 6: Final answer
    x = 1,770,698.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.