Home / 1,188,462.50-1,782,048.58-539,682.45

Finding the Fourth Proportional to 1,188,462.50, 1,782,048.58 and 539,682.45

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Solution

The fourth proportional to 1,188,462.50, 1,782,048.58 and 539,682.45 is: 809,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,462.50 : 1,782,048.58 = 539,682.45 : x
  2. Step 2: Convert to fraction form
    1,188,462.50/1,782,048.58 = 539,682.45/x
  3. Step 3: Cross multiply
    1,188,462.50x = 1,782,048.58 × 539,682.45
  4. Step 4: Simplify right side
    1,188,462.50x = 961,740,349,006.90
  5. Step 5: Solve for x
    x = 961,740,349,006.90/1,188,462.50
  6. Step 6: Final answer
    x = 809,230.71

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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.