Home / 1,362,200-1,879,835.52-789,572.16

Finding the Fourth Proportional to 1,362,200, 1,879,835.52 and 789,572.16

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Solution

The fourth proportional to 1,362,200, 1,879,835.52 and 789,572.16 is: 1,089,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,200 : 1,879,835.52 = 789,572.16 : x
  2. Step 2: Convert to fraction form
    1,362,200/1,879,835.52 = 789,572.16/x
  3. Step 3: Cross multiply
    1,362,200x = 1,879,835.52 × 789,572.16
  4. Step 4: Simplify right side
    1,362,200x = 1,484,265,791,971.12
  5. Step 5: Solve for x
    x = 1,484,265,791,971.12/1,362,200
  6. Step 6: Final answer
    x = 1,089,609.30

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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.