Home / 1,400,107.75-2,100,112.38-440,536.93

Finding the Fourth Proportional to 1,400,107.75, 2,100,112.38 and 440,536.93

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Solution

The fourth proportional to 1,400,107.75, 2,100,112.38 and 440,536.93 is: 660,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,107.75 : 2,100,112.38 = 440,536.93 : x
  2. Step 2: Convert to fraction form
    1,400,107.75/2,100,112.38 = 440,536.93/x
  3. Step 3: Cross multiply
    1,400,107.75x = 2,100,112.38 × 440,536.93
  4. Step 4: Simplify right side
    1,400,107.75x = 925,177,055,289.91
  5. Step 5: Solve for x
    x = 925,177,055,289.91/1,400,107.75
  6. Step 6: Final answer
    x = 660,789.90

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1.5x scale

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.