Home / 1,787,012.46-2,681,847.49-722,063.74

Finding the Fourth Proportional to 1,787,012.46, 2,681,847.49 and 722,063.74

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Solution

The fourth proportional to 1,787,012.46, 2,681,847.49 and 722,063.74 is: 1,083,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,012.46 : 2,681,847.49 = 722,063.74 : x
  2. Step 2: Convert to fraction form
    1,787,012.46/2,681,847.49 = 722,063.74/x
  3. Step 3: Cross multiply
    1,787,012.46x = 2,681,847.49 × 722,063.74
  4. Step 4: Simplify right side
    1,787,012.46x = 1,936,464,828,739.01
  5. Step 5: Solve for x
    x = 1,936,464,828,739.01/1,787,012.46
  6. Step 6: Final answer
    x = 1,083,632.53

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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.