Home / 1,821,400.46-2,731,601.96-684,074.69

Finding the Fourth Proportional to 1,821,400.46, 2,731,601.96 and 684,074.69

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Solution

The fourth proportional to 1,821,400.46, 2,731,601.96 and 684,074.69 is: 1,025,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,400.46 : 2,731,601.96 = 684,074.69 : x
  2. Step 2: Convert to fraction form
    1,821,400.46/2,731,601.96 = 684,074.69/x
  3. Step 3: Cross multiply
    1,821,400.46x = 2,731,601.96 × 684,074.69
  4. Step 4: Simplify right side
    1,821,400.46x = 1,868,619,765,479.47
  5. Step 5: Solve for x
    x = 1,868,619,765,479.47/1,821,400.46
  6. Step 6: Final answer
    x = 1,025,924.72

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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.