Home / 1,518,789.79-2,277,848.94-439,067.89

Finding the Fourth Proportional to 1,518,789.79, 2,277,848.94 and 439,067.89

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Solution

The fourth proportional to 1,518,789.79, 2,277,848.94 and 439,067.89 is: 658,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,789.79 : 2,277,848.94 = 439,067.89 : x
  2. Step 2: Convert to fraction form
    1,518,789.79/2,277,848.94 = 439,067.89/x
  3. Step 3: Cross multiply
    1,518,789.79x = 2,277,848.94 × 439,067.89
  4. Step 4: Simplify right side
    1,518,789.79x = 1,000,130,327,824.54
  5. Step 5: Solve for x
    x = 1,000,130,327,824.54/1,518,789.79
  6. Step 6: Final answer
    x = 658,504.77

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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.