Home / 1,362,083.70-1,879,675.41-789,456.02

Finding the Fourth Proportional to 1,362,083.70, 1,879,675.41 and 789,456.02

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Solution

The fourth proportional to 1,362,083.70, 1,879,675.41 and 789,456.02 is: 1,089,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,083.70 : 1,879,675.41 = 789,456.02 : x
  2. Step 2: Convert to fraction form
    1,362,083.70/1,879,675.41 = 789,456.02/x
  3. Step 3: Cross multiply
    1,362,083.70x = 1,879,675.41 × 789,456.02
  4. Step 4: Simplify right side
    1,362,083.70x = 1,483,921,068,070.47
  5. Step 5: Solve for x
    x = 1,483,921,068,070.47/1,362,083.70
  6. Step 6: Final answer
    x = 1,089,449.25

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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.