Home / 1,238,306.94-1,857,462.39-339,760.98

Finding the Fourth Proportional to 1,238,306.94, 1,857,462.39 and 339,760.98

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Solution

The fourth proportional to 1,238,306.94, 1,857,462.39 and 339,760.98 is: 509,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,306.94 : 1,857,462.39 = 339,760.98 : x
  2. Step 2: Convert to fraction form
    1,238,306.94/1,857,462.39 = 339,760.98/x
  3. Step 3: Cross multiply
    1,238,306.94x = 1,857,462.39 × 339,760.98
  4. Step 4: Simplify right side
    1,238,306.94x = 631,093,241,939.54
  5. Step 5: Solve for x
    x = 631,093,241,939.54/1,238,306.94
  6. Step 6: Final answer
    x = 509,642.01

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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.