Home / 1,990,380.38-2,983,802.73-775,675.64

Finding the Fourth Proportional to 1,990,380.38, 2,983,802.73 and 775,675.64

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Solution

The fourth proportional to 1,990,380.38, 2,983,802.73 and 775,675.64 is: 1,162,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,380.38 : 2,983,802.73 = 775,675.64 : x
  2. Step 2: Convert to fraction form
    1,990,380.38/2,983,802.73 = 775,675.64/x
  3. Step 3: Cross multiply
    1,990,380.38x = 2,983,802.73 × 775,675.64
  4. Step 4: Simplify right side
    1,990,380.38x = 2,314,463,092,226.50
  5. Step 5: Solve for x
    x = 2,314,463,092,226.50/1,990,380.38
  6. Step 6: Final answer
    x = 1,162,824.51

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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.