Home / 1,498,497.20-2,247,745.80-858,143.60

Finding the Fourth Proportional to 1,498,497.20, 2,247,745.80 and 858,143.60

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Solution

The fourth proportional to 1,498,497.20, 2,247,745.80 and 858,143.60 is: 1,287,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,497.20 : 2,247,745.80 = 858,143.60 : x
  2. Step 2: Convert to fraction form
    1,498,497.20/2,247,745.80 = 858,143.60/x
  3. Step 3: Cross multiply
    1,498,497.20x = 2,247,745.80 × 858,143.60
  4. Step 4: Simplify right side
    1,498,497.20x = 1,928,888,672,696.88
  5. Step 5: Solve for x
    x = 1,928,888,672,696.88/1,498,497.20
  6. Step 6: Final answer
    x = 1,287,215.40

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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.