Home / 1,216,404.43-1,824,415.09-406,782.62

Finding the Fourth Proportional to 1,216,404.43, 1,824,415.09 and 406,782.62

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Solution

The fourth proportional to 1,216,404.43, 1,824,415.09 and 406,782.62 is: 610,109.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,404.43 : 1,824,415.09 = 406,782.62 : x
  2. Step 2: Convert to fraction form
    1,216,404.43/1,824,415.09 = 406,782.62/x
  3. Step 3: Cross multiply
    1,216,404.43x = 1,824,415.09 × 406,782.62
  4. Step 4: Simplify right side
    1,216,404.43x = 742,140,340,138.70
  5. Step 5: Solve for x
    x = 742,140,340,138.70/1,216,404.43
  6. Step 6: Final answer
    x = 610,109.86

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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.