Home / 1,491,783.39-2,237,265.54-412,037.79

Finding the Fourth Proportional to 1,491,783.39, 2,237,265.54 and 412,037.79

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Solution

The fourth proportional to 1,491,783.39, 2,237,265.54 and 412,037.79 is: 617,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,783.39 : 2,237,265.54 = 412,037.79 : x
  2. Step 2: Convert to fraction form
    1,491,783.39/2,237,265.54 = 412,037.79/x
  3. Step 3: Cross multiply
    1,491,783.39x = 2,237,265.54 × 412,037.79
  4. Step 4: Simplify right side
    1,491,783.39x = 921,837,948,744.76
  5. Step 5: Solve for x
    x = 921,837,948,744.76/1,491,783.39
  6. Step 6: Final answer
    x = 617,943.57

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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.