Home / 1,471,131.09-2,206,692.75-391,643.67

Finding the Fourth Proportional to 1,471,131.09, 2,206,692.75 and 391,643.67

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Solution

The fourth proportional to 1,471,131.09, 2,206,692.75 and 391,643.67 is: 587,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,131.09 : 2,206,692.75 = 391,643.67 : x
  2. Step 2: Convert to fraction form
    1,471,131.09/2,206,692.75 = 391,643.67/x
  3. Step 3: Cross multiply
    1,471,131.09x = 2,206,692.75 × 391,643.67
  4. Step 4: Simplify right side
    1,471,131.09x = 864,237,247,172.39
  5. Step 5: Solve for x
    x = 864,237,247,172.39/1,471,131.09
  6. Step 6: Final answer
    x = 587,464.47

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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.