Home / 1,239,757.80-1,858,914.06-480,712.50

Finding the Fourth Proportional to 1,239,757.80, 1,858,914.06 and 480,712.50

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Solution

The fourth proportional to 1,239,757.80, 1,858,914.06 and 480,712.50 is: 720,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,757.80 : 1,858,914.06 = 480,712.50 : x
  2. Step 2: Convert to fraction form
    1,239,757.80/1,858,914.06 = 480,712.50/x
  3. Step 3: Cross multiply
    1,239,757.80x = 1,858,914.06 × 480,712.50
  4. Step 4: Simplify right side
    1,239,757.80x = 893,603,225,067.75
  5. Step 5: Solve for x
    x = 893,603,225,067.75/1,239,757.80
  6. Step 6: Final answer
    x = 720,788.55

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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.