Home / 1,370,846.72-1,891,977.40-854,684.34

Finding the Fourth Proportional to 1,370,846.72, 1,891,977.40 and 854,684.34

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Solution

The fourth proportional to 1,370,846.72, 1,891,977.40 and 854,684.34 is: 1,179,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,846.72 : 1,891,977.40 = 854,684.34 : x
  2. Step 2: Convert to fraction form
    1,370,846.72/1,891,977.40 = 854,684.34/x
  3. Step 3: Cross multiply
    1,370,846.72x = 1,891,977.40 × 854,684.34
  4. Step 4: Simplify right side
    1,370,846.72x = 1,617,043,455,413.92
  5. Step 5: Solve for x
    x = 1,617,043,455,413.92/1,370,846.72
  6. Step 6: Final answer
    x = 1,179,594.65

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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.