Home / 1,345,194-2,012,806.80-1,078,144.56

Finding the Fourth Proportional to 1,345,194, 2,012,806.80 and 1,078,144.56

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Solution

The fourth proportional to 1,345,194, 2,012,806.80 and 1,078,144.56 is: 1,613,222.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,194 : 2,012,806.80 = 1,078,144.56 : x
  2. Step 2: Convert to fraction form
    1,345,194/2,012,806.80 = 1,078,144.56/x
  3. Step 3: Cross multiply
    1,345,194x = 2,012,806.80 × 1,078,144.56
  4. Step 4: Simplify right side
    1,345,194x = 2,170,096,701,751.01
  5. Step 5: Solve for x
    x = 2,170,096,701,751.01/1,345,194
  6. Step 6: Final answer
    x = 1,613,222.11

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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.