Home / 1,331,192.56-1,994,756.96-790,383.88

Finding the Fourth Proportional to 1,331,192.56, 1,994,756.96 and 790,383.88

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Solution

The fourth proportional to 1,331,192.56, 1,994,756.96 and 790,383.88 is: 1,184,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,192.56 : 1,994,756.96 = 790,383.88 : x
  2. Step 2: Convert to fraction form
    1,331,192.56/1,994,756.96 = 790,383.88/x
  3. Step 3: Cross multiply
    1,331,192.56x = 1,994,756.96 × 790,383.88
  4. Step 4: Simplify right side
    1,331,192.56x = 1,576,623,745,701.80
  5. Step 5: Solve for x
    x = 1,576,623,745,701.80/1,331,192.56
  6. Step 6: Final answer
    x = 1,184,369.41

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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.