Finding the Fourth Proportional to 1,325,408.08, 1,987,963.98 and 365,935.72
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Solution
The fourth proportional to 1,325,408.08, 1,987,963.98 and 365,935.72 is: 548,862.68
Step by Step Solution
- Step 1: Write the proportion equation
1,325,408.08 : 1,987,963.98 = 365,935.72 : x - Step 2: Convert to fraction form
1,325,408.08/1,987,963.98 = 365,935.72/x - Step 3: Cross multiply
1,325,408.08x = 1,987,963.98 × 365,935.72 - Step 4: Simplify right side
1,325,408.08x = 727,467,030,355.37 - Step 5: Solve for x
x = 727,467,030,355.37/1,325,408.08 - Step 6: Final answer
x = 548,862.68
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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.