Home / 1,345,200.62-2,018,760.47-746,640.59

Finding the Fourth Proportional to 1,345,200.62, 2,018,760.47 and 746,640.59

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Solution

The fourth proportional to 1,345,200.62, 2,018,760.47 and 746,640.59 is: 1,120,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,200.62 : 2,018,760.47 = 746,640.59 : x
  2. Step 2: Convert to fraction form
    1,345,200.62/2,018,760.47 = 746,640.59/x
  3. Step 3: Cross multiply
    1,345,200.62x = 2,018,760.47 × 746,640.59
  4. Step 4: Simplify right side
    1,345,200.62x = 1,507,288,497,362.37
  5. Step 5: Solve for x
    x = 1,507,288,497,362.37/1,345,200.62
  6. Step 6: Final answer
    x = 1,120,493.46

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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.