Home / 1,392,199.20-2,088,298.80-1,373,536.80

Finding the Fourth Proportional to 1,392,199.20, 2,088,298.80 and 1,373,536.80

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Solution

The fourth proportional to 1,392,199.20, 2,088,298.80 and 1,373,536.80 is: 2,060,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,199.20 : 2,088,298.80 = 1,373,536.80 : x
  2. Step 2: Convert to fraction form
    1,392,199.20/2,088,298.80 = 1,373,536.80/x
  3. Step 3: Cross multiply
    1,392,199.20x = 2,088,298.80 × 1,373,536.80
  4. Step 4: Simplify right side
    1,392,199.20x = 2,868,355,251,195.84
  5. Step 5: Solve for x
    x = 2,868,355,251,195.84/1,392,199.20
  6. Step 6: Final answer
    x = 2,060,305.20

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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.