Home / 1,448,985.90-2,173,729.37-489,448.49

Finding the Fourth Proportional to 1,448,985.90, 2,173,729.37 and 489,448.49

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Solution

The fourth proportional to 1,448,985.90, 2,173,729.37 and 489,448.49 is: 734,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,985.90 : 2,173,729.37 = 489,448.49 : x
  2. Step 2: Convert to fraction form
    1,448,985.90/2,173,729.37 = 489,448.49/x
  3. Step 3: Cross multiply
    1,448,985.90x = 2,173,729.37 × 489,448.49
  4. Step 4: Simplify right side
    1,448,985.90x = 1,063,928,557,815.15
  5. Step 5: Solve for x
    x = 1,063,928,557,815.15/1,448,985.90
  6. Step 6: Final answer
    x = 734,257.36

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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.