Home / 1,138,725.14-1,709,917.49-755,066.61

Finding the Fourth Proportional to 1,138,725.14, 1,709,917.49 and 755,066.61

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Solution

The fourth proportional to 1,138,725.14, 1,709,917.49 and 755,066.61 is: 1,133,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,725.14 : 1,709,917.49 = 755,066.61 : x
  2. Step 2: Convert to fraction form
    1,138,725.14/1,709,917.49 = 755,066.61/x
  3. Step 3: Cross multiply
    1,138,725.14x = 1,709,917.49 × 755,066.61
  4. Step 4: Simplify right side
    1,138,725.14x = 1,291,101,604,441.68
  5. Step 5: Solve for x
    x = 1,291,101,604,441.68/1,138,725.14
  6. Step 6: Final answer
    x = 1,133,813.21

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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.