Home / 1,345,217.36-2,017,833.32-398,596.28

Finding the Fourth Proportional to 1,345,217.36, 2,017,833.32 and 398,596.28

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Solution

The fourth proportional to 1,345,217.36, 2,017,833.32 and 398,596.28 is: 597,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,217.36 : 2,017,833.32 = 398,596.28 : x
  2. Step 2: Convert to fraction form
    1,345,217.36/2,017,833.32 = 398,596.28/x
  3. Step 3: Cross multiply
    1,345,217.36x = 2,017,833.32 × 398,596.28
  4. Step 4: Simplify right side
    1,345,217.36x = 804,300,845,919.37
  5. Step 5: Solve for x
    x = 804,300,845,919.37/1,345,217.36
  6. Step 6: Final answer
    x = 597,896.57

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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.