Home / 1,345,229.36-2,017,851.33-398,608.28

Finding the Fourth Proportional to 1,345,229.36, 2,017,851.33 and 398,608.28

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Solution

The fourth proportional to 1,345,229.36, 2,017,851.33 and 398,608.28 is: 597,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,229.36 : 2,017,851.33 = 398,608.28 : x
  2. Step 2: Convert to fraction form
    1,345,229.36/2,017,851.33 = 398,608.28/x
  3. Step 3: Cross multiply
    1,345,229.36x = 2,017,851.33 × 398,608.28
  4. Step 4: Simplify right side
    1,345,229.36x = 804,332,237,857.76
  5. Step 5: Solve for x
    x = 804,332,237,857.76/1,345,229.36
  6. Step 6: Final answer
    x = 597,914.57

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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.