Home / 1,362,200.09-1,879,836.32-789,572.48

Finding the Fourth Proportional to 1,362,200.09, 1,879,836.32 and 789,572.48

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Solution

The fourth proportional to 1,362,200.09, 1,879,836.32 and 789,572.48 is: 1,089,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,200.09 : 1,879,836.32 = 789,572.48 : x
  2. Step 2: Convert to fraction form
    1,362,200.09/1,879,836.32 = 789,572.48/x
  3. Step 3: Cross multiply
    1,362,200.09x = 1,879,836.32 × 789,572.48
  4. Step 4: Simplify right side
    1,362,200.09x = 1,484,267,017,751.22
  5. Step 5: Solve for x
    x = 1,484,267,017,751.22/1,362,200.09
  6. Step 6: Final answer
    x = 1,089,610.13

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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.