Home / 1,370,480.44-1,891,462.08-789,590.56

Finding the Fourth Proportional to 1,370,480.44, 1,891,462.08 and 789,590.56

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Solution

The fourth proportional to 1,370,480.44, 1,891,462.08 and 789,590.56 is: 1,089,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,480.44 : 1,891,462.08 = 789,590.56 : x
  2. Step 2: Convert to fraction form
    1,370,480.44/1,891,462.08 = 789,590.56/x
  3. Step 3: Cross multiply
    1,370,480.44x = 1,891,462.08 × 789,590.56
  4. Step 4: Simplify right side
    1,370,480.44x = 1,493,480,602,965.97
  5. Step 5: Solve for x
    x = 1,493,480,602,965.97/1,370,480.44
  6. Step 6: Final answer
    x = 1,089,749.67

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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.