Home / 1,480,371.12-2,220,224.54-680,884.56

Finding the Fourth Proportional to 1,480,371.12, 2,220,224.54 and 680,884.56

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Solution

The fourth proportional to 1,480,371.12, 2,220,224.54 and 680,884.56 is: 1,021,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,371.12 : 2,220,224.54 = 680,884.56 : x
  2. Step 2: Convert to fraction form
    1,480,371.12/2,220,224.54 = 680,884.56/x
  3. Step 3: Cross multiply
    1,480,371.12x = 2,220,224.54 × 680,884.56
  4. Step 4: Simplify right side
    1,480,371.12x = 1,511,716,605,614.68
  5. Step 5: Solve for x
    x = 1,511,716,605,614.68/1,480,371.12
  6. Step 6: Final answer
    x = 1,021,174.07

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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.