Home / 1,162,178.82-1,743,368.40-320,730.57

Finding the Fourth Proportional to 1,162,178.82, 1,743,368.40 and 320,730.57

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Solution

The fourth proportional to 1,162,178.82, 1,743,368.40 and 320,730.57 is: 481,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,178.82 : 1,743,368.40 = 320,730.57 : x
  2. Step 2: Convert to fraction form
    1,162,178.82/1,743,368.40 = 320,730.57/x
  3. Step 3: Cross multiply
    1,162,178.82x = 1,743,368.40 × 320,730.57
  4. Step 4: Simplify right side
    1,162,178.82x = 559,151,540,651.99
  5. Step 5: Solve for x
    x = 559,151,540,651.99/1,162,178.82
  6. Step 6: Final answer
    x = 481,123.50

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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.