Home / 1,368,014.32-2,042,003.63-1,206,412.64

Finding the Fourth Proportional to 1,368,014.32, 2,042,003.63 and 1,206,412.64

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Solution

The fourth proportional to 1,368,014.32, 2,042,003.63 and 1,206,412.64 is: 1,800,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,014.32 : 2,042,003.63 = 1,206,412.64 : x
  2. Step 2: Convert to fraction form
    1,368,014.32/2,042,003.63 = 1,206,412.64/x
  3. Step 3: Cross multiply
    1,368,014.32x = 2,042,003.63 × 1,206,412.64
  4. Step 4: Simplify right side
    1,368,014.32x = 2,463,498,990,157.88
  5. Step 5: Solve for x
    x = 2,463,498,990,157.88/1,368,014.32
  6. Step 6: Final answer
    x = 1,800,784.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.