Home / 1,442,954.26-1,991,246.13-789,577.57

Finding the Fourth Proportional to 1,442,954.26, 1,991,246.13 and 789,577.57

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Solution

The fourth proportional to 1,442,954.26, 1,991,246.13 and 789,577.57 is: 1,089,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,954.26 : 1,991,246.13 = 789,577.57 : x
  2. Step 2: Convert to fraction form
    1,442,954.26/1,991,246.13 = 789,577.57/x
  3. Step 3: Cross multiply
    1,442,954.26x = 1,991,246.13 × 789,577.57
  4. Step 4: Simplify right side
    1,442,954.26x = 1,572,243,280,597.30
  5. Step 5: Solve for x
    x = 1,572,243,280,597.30/1,442,954.26
  6. Step 6: Final answer
    x = 1,089,600.22

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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.