Home / 1,790,149.78-2,685,472.14-575,760.78

Finding the Fourth Proportional to 1,790,149.78, 2,685,472.14 and 575,760.78

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Solution

The fourth proportional to 1,790,149.78, 2,685,472.14 and 575,760.78 is: 863,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,149.78 : 2,685,472.14 = 575,760.78 : x
  2. Step 2: Convert to fraction form
    1,790,149.78/2,685,472.14 = 575,760.78/x
  3. Step 3: Cross multiply
    1,790,149.78x = 2,685,472.14 × 575,760.78
  4. Step 4: Simplify right side
    1,790,149.78x = 1,546,189,520,567.31
  5. Step 5: Solve for x
    x = 1,546,189,520,567.31/1,790,149.78
  6. Step 6: Final answer
    x = 863,720.76

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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.