Home / 1,674,692.16-2,311,731.96-1,187,209.56

Finding the Fourth Proportional to 1,674,692.16, 2,311,731.96 and 1,187,209.56

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Solution

The fourth proportional to 1,674,692.16, 2,311,731.96 and 1,187,209.56 is: 1,638,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,692.16 : 2,311,731.96 = 1,187,209.56 : x
  2. Step 2: Convert to fraction form
    1,674,692.16/2,311,731.96 = 1,187,209.56/x
  3. Step 3: Cross multiply
    1,674,692.16x = 2,311,731.96 × 1,187,209.56
  4. Step 4: Simplify right side
    1,674,692.16x = 2,744,510,283,069.54
  5. Step 5: Solve for x
    x = 2,744,510,283,069.54/1,674,692.16
  6. Step 6: Final answer
    x = 1,638,814.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.