Home / 1,238,428.62-1,857,635.64-396,977.94

Finding the Fourth Proportional to 1,238,428.62, 1,857,635.64 and 396,977.94

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Solution

The fourth proportional to 1,238,428.62, 1,857,635.64 and 396,977.94 is: 595,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,428.62 : 1,857,635.64 = 396,977.94 : x
  2. Step 2: Convert to fraction form
    1,238,428.62/1,857,635.64 = 396,977.94/x
  3. Step 3: Cross multiply
    1,238,428.62x = 1,857,635.64 × 396,977.94
  4. Step 4: Simplify right side
    1,238,428.62x = 737,440,369,637.78
  5. Step 5: Solve for x
    x = 737,440,369,637.78/1,238,428.62
  6. Step 6: Final answer
    x = 595,464.57

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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.