Home / 1,419,266.73-2,128,112.51-472,120.77

Finding the Fourth Proportional to 1,419,266.73, 2,128,112.51 and 472,120.77

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Solution

The fourth proportional to 1,419,266.73, 2,128,112.51 and 472,120.77 is: 707,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,266.73 : 2,128,112.51 = 472,120.77 : x
  2. Step 2: Convert to fraction form
    1,419,266.73/2,128,112.51 = 472,120.77/x
  3. Step 3: Cross multiply
    1,419,266.73x = 2,128,112.51 × 472,120.77
  4. Step 4: Simplify right side
    1,419,266.73x = 1,004,726,114,507.23
  5. Step 5: Solve for x
    x = 1,004,726,114,507.23/1,419,266.73
  6. Step 6: Final answer
    x = 707,919.16

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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.