Home / 1,238,654.12-1,857,977.72-340,096.82

Finding the Fourth Proportional to 1,238,654.12, 1,857,977.72 and 340,096.82

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Solution

The fourth proportional to 1,238,654.12, 1,857,977.72 and 340,096.82 is: 510,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,654.12 : 1,857,977.72 = 340,096.82 : x
  2. Step 2: Convert to fraction form
    1,238,654.12/1,857,977.72 = 340,096.82/x
  3. Step 3: Cross multiply
    1,238,654.12x = 1,857,977.72 × 340,096.82
  4. Step 4: Simplify right side
    1,238,654.12x = 631,892,303,212.48
  5. Step 5: Solve for x
    x = 631,892,303,212.48/1,238,654.12
  6. Step 6: Final answer
    x = 510,144.27

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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.