Home / 1,229,719.20-1,844,924.40-520,087.20

Finding the Fourth Proportional to 1,229,719.20, 1,844,924.40 and 520,087.20

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Solution

The fourth proportional to 1,229,719.20, 1,844,924.40 and 520,087.20 is: 780,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,719.20 : 1,844,924.40 = 520,087.20 : x
  2. Step 2: Convert to fraction form
    1,229,719.20/1,844,924.40 = 520,087.20/x
  3. Step 3: Cross multiply
    1,229,719.20x = 1,844,924.40 × 520,087.20
  4. Step 4: Simplify right side
    1,229,719.20x = 959,521,565,407.68
  5. Step 5: Solve for x
    x = 959,521,565,407.68/1,229,719.20
  6. Step 6: Final answer
    x = 780,276.97

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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.