Home / 1,216,242.90-1,824,586.70-406,550.70

Finding the Fourth Proportional to 1,216,242.90, 1,824,586.70 and 406,550.70

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Solution

The fourth proportional to 1,216,242.90, 1,824,586.70 and 406,550.70 is: 609,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,242.90 : 1,824,586.70 = 406,550.70 : x
  2. Step 2: Convert to fraction form
    1,216,242.90/1,824,586.70 = 406,550.70/x
  3. Step 3: Cross multiply
    1,216,242.90x = 1,824,586.70 × 406,550.70
  4. Step 4: Simplify right side
    1,216,242.90x = 741,786,998,062.94
  5. Step 5: Solve for x
    x = 741,786,998,062.94/1,216,242.90
  6. Step 6: Final answer
    x = 609,900.37

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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.