Home / 1,238,784.84-1,858,002.30-397,227.24

Finding the Fourth Proportional to 1,238,784.84, 1,858,002.30 and 397,227.24

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Solution

The fourth proportional to 1,238,784.84, 1,858,002.30 and 397,227.24 is: 595,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,784.84 : 1,858,002.30 = 397,227.24 : x
  2. Step 2: Convert to fraction form
    1,238,784.84/1,858,002.30 = 397,227.24/x
  3. Step 3: Cross multiply
    1,238,784.84x = 1,858,002.30 × 397,227.24
  4. Step 4: Simplify right side
    1,238,784.84x = 738,049,125,542.65
  5. Step 5: Solve for x
    x = 738,049,125,542.65/1,238,784.84
  6. Step 6: Final answer
    x = 595,784.76

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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.