Home / 1,678,575.15-2,518,912.49-681,303.15

Finding the Fourth Proportional to 1,678,575.15, 2,518,912.49 and 681,303.15

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Solution

The fourth proportional to 1,678,575.15, 2,518,912.49 and 681,303.15 is: 1,022,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,575.15 : 2,518,912.49 = 681,303.15 : x
  2. Step 2: Convert to fraction form
    1,678,575.15/2,518,912.49 = 681,303.15/x
  3. Step 3: Cross multiply
    1,678,575.15x = 2,518,912.49 × 681,303.15
  4. Step 4: Simplify right side
    1,678,575.15x = 1,716,143,010,604.83
  5. Step 5: Solve for x
    x = 1,716,143,010,604.83/1,678,575.15
  6. Step 6: Final answer
    x = 1,022,380.80

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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.