Home / 1,362,205.07-1,879,852.59-781,453.54

Finding the Fourth Proportional to 1,362,205.07, 1,879,852.59 and 781,453.54

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Solution

The fourth proportional to 1,362,205.07, 1,879,852.59 and 781,453.54 is: 1,078,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,205.07 : 1,879,852.59 = 781,453.54 : x
  2. Step 2: Convert to fraction form
    1,362,205.07/1,879,852.59 = 781,453.54/x
  3. Step 3: Cross multiply
    1,362,205.07x = 1,879,852.59 × 781,453.54
  4. Step 4: Simplify right side
    1,362,205.07x = 1,469,017,470,745.64
  5. Step 5: Solve for x
    x = 1,469,017,470,745.64/1,362,205.07
  6. Step 6: Final answer
    x = 1,078,411.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.