Home / 1,211,744.27-1,817,610.94-313,109.62

Finding the Fourth Proportional to 1,211,744.27, 1,817,610.94 and 313,109.62

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Solution

The fourth proportional to 1,211,744.27, 1,817,610.94 and 313,109.62 is: 469,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,744.27 : 1,817,610.94 = 313,109.62 : x
  2. Step 2: Convert to fraction form
    1,211,744.27/1,817,610.94 = 313,109.62/x
  3. Step 3: Cross multiply
    1,211,744.27x = 1,817,610.94 × 313,109.62
  4. Step 4: Simplify right side
    1,211,744.27x = 569,111,466,578.60
  5. Step 5: Solve for x
    x = 569,111,466,578.60/1,211,744.27
  6. Step 6: Final answer
    x = 469,663.01

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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.