Home / 1,212,313.72-1,818,404.61-370,865.44

Finding the Fourth Proportional to 1,212,313.72, 1,818,404.61 and 370,865.44

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Solution

The fourth proportional to 1,212,313.72, 1,818,404.61 and 370,865.44 is: 556,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,313.72 : 1,818,404.61 = 370,865.44 : x
  2. Step 2: Convert to fraction form
    1,212,313.72/1,818,404.61 = 370,865.44/x
  3. Step 3: Cross multiply
    1,212,313.72x = 1,818,404.61 × 370,865.44
  4. Step 4: Simplify right side
    1,212,313.72x = 674,383,425,785.68
  5. Step 5: Solve for x
    x = 674,383,425,785.68/1,212,313.72
  6. Step 6: Final answer
    x = 556,277.98

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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.