Home / 1,345,043.68-1,856,172.72-741,453.28

Finding the Fourth Proportional to 1,345,043.68, 1,856,172.72 and 741,453.28

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Solution

The fourth proportional to 1,345,043.68, 1,856,172.72 and 741,453.28 is: 1,023,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,043.68 : 1,856,172.72 = 741,453.28 : x
  2. Step 2: Convert to fraction form
    1,345,043.68/1,856,172.72 = 741,453.28/x
  3. Step 3: Cross multiply
    1,345,043.68x = 1,856,172.72 × 741,453.28
  4. Step 4: Simplify right side
    1,345,043.68x = 1,376,265,351,490.52
  5. Step 5: Solve for x
    x = 1,376,265,351,490.52/1,345,043.68
  6. Step 6: Final answer
    x = 1,023,212.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.