Finding the Fourth Proportional to 1,271,003.26, 1,906,503.35 and 324,374.08
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Solution
The fourth proportional to 1,271,003.26, 1,906,503.35 and 324,374.08 is: 486,560.72
Step by Step Solution
- Step 1: Write the proportion equation
1,271,003.26 : 1,906,503.35 = 324,374.08 : x - Step 2: Convert to fraction form
1,271,003.26/1,906,503.35 = 324,374.08/x - Step 3: Cross multiply
1,271,003.26x = 1,906,503.35 × 324,374.08 - Step 4: Simplify right side
1,271,003.26x = 618,420,259,018.78 - Step 5: Solve for x
x = 618,420,259,018.78/1,271,003.26 - Step 6: Final answer
x = 486,560.72
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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.