Home / 1,238,844.40-1,858,191.94-736,601.52

Finding the Fourth Proportional to 1,238,844.40, 1,858,191.94 and 736,601.52

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Solution

The fourth proportional to 1,238,844.40, 1,858,191.94 and 736,601.52 is: 1,104,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,844.40 : 1,858,191.94 = 736,601.52 : x
  2. Step 2: Convert to fraction form
    1,238,844.40/1,858,191.94 = 736,601.52/x
  3. Step 3: Cross multiply
    1,238,844.40x = 1,858,191.94 × 736,601.52
  4. Step 4: Simplify right side
    1,238,844.40x = 1,368,747,007,455.75
  5. Step 5: Solve for x
    x = 1,368,747,007,455.75/1,238,844.40
  6. Step 6: Final answer
    x = 1,104,857.89

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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.