Home / 1,860,406.65-2,785,738.23-1,218,692.25

Finding the Fourth Proportional to 1,860,406.65, 2,785,738.23 and 1,218,692.25

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Solution

The fourth proportional to 1,860,406.65, 2,785,738.23 and 1,218,692.25 is: 1,824,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,406.65 : 2,785,738.23 = 1,218,692.25 : x
  2. Step 2: Convert to fraction form
    1,860,406.65/2,785,738.23 = 1,218,692.25/x
  3. Step 3: Cross multiply
    1,860,406.65x = 2,785,738.23 × 1,218,692.25
  4. Step 4: Simplify right side
    1,860,406.65x = 3,394,957,591,429.72
  5. Step 5: Solve for x
    x = 3,394,957,591,429.72/1,860,406.65
  6. Step 6: Final answer
    x = 1,824,847.05

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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.