Finding the Fourth Proportional to 1,302,485.36, 1,954,395.18 and 620,144.42
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Solution
The fourth proportional to 1,302,485.36, 1,954,395.18 and 620,144.42 is: 930,534.27
Step by Step Solution
- Step 1: Write the proportion equation
1,302,485.36 : 1,954,395.18 = 620,144.42 : x - Step 2: Convert to fraction form
1,302,485.36/1,954,395.18 = 620,144.42/x - Step 3: Cross multiply
1,302,485.36x = 1,954,395.18 × 620,144.42 - Step 4: Simplify right side
1,302,485.36x = 1,212,007,265,351.90 - Step 5: Solve for x
x = 1,212,007,265,351.90/1,302,485.36 - Step 6: Final answer
x = 930,534.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.