Home / 1,450,848.97-2,172,936.65-842,129.69

Finding the Fourth Proportional to 1,450,848.97, 2,172,936.65 and 842,129.69

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Solution

The fourth proportional to 1,450,848.97, 2,172,936.65 and 842,129.69 is: 1,261,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,848.97 : 2,172,936.65 = 842,129.69 : x
  2. Step 2: Convert to fraction form
    1,450,848.97/2,172,936.65 = 842,129.69/x
  3. Step 3: Cross multiply
    1,450,848.97x = 2,172,936.65 × 842,129.69
  4. Step 4: Simplify right side
    1,450,848.97x = 1,829,894,468,675.83
  5. Step 5: Solve for x
    x = 1,829,894,468,675.83/1,450,848.97
  6. Step 6: Final answer
    x = 1,261,257.73

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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.