Home / 1,212,314.22-1,818,405.36-370,865.94

Finding the Fourth Proportional to 1,212,314.22, 1,818,405.36 and 370,865.94

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Solution

The fourth proportional to 1,212,314.22, 1,818,405.36 and 370,865.94 is: 556,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,314.22 : 1,818,405.36 = 370,865.94 : x
  2. Step 2: Convert to fraction form
    1,212,314.22/1,818,405.36 = 370,865.94/x
  3. Step 3: Cross multiply
    1,212,314.22x = 1,818,405.36 × 370,865.94
  4. Step 4: Simplify right side
    1,212,314.22x = 674,384,613,137.44
  5. Step 5: Solve for x
    x = 674,384,613,137.44/1,212,314.22
  6. Step 6: Final answer
    x = 556,278.73

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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.