Home / 1,267,106.46-1,900,091.39-755,012.91

Finding the Fourth Proportional to 1,267,106.46, 1,900,091.39 and 755,012.91

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Solution

The fourth proportional to 1,267,106.46, 1,900,091.39 and 755,012.91 is: 1,132,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,106.46 : 1,900,091.39 = 755,012.91 : x
  2. Step 2: Convert to fraction form
    1,267,106.46/1,900,091.39 = 755,012.91/x
  3. Step 3: Cross multiply
    1,267,106.46x = 1,900,091.39 × 755,012.91
  4. Step 4: Simplify right side
    1,267,106.46x = 1,434,593,529,629.85
  5. Step 5: Solve for x
    x = 1,434,593,529,629.85/1,267,106.46
  6. Step 6: Final answer
    x = 1,132,180.74

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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.