Finding the Fourth Proportional to 1,202,745.98, 1,659,830.79 and 658,881.64
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Solution
The fourth proportional to 1,202,745.98, 1,659,830.79 and 658,881.64 is: 909,279.31
Step by Step Solution
- Step 1: Write the proportion equation
1,202,745.98 : 1,659,830.79 = 658,881.64 : x - Step 2: Convert to fraction form
1,202,745.98/1,659,830.79 = 658,881.64/x - Step 3: Cross multiply
1,202,745.98x = 1,659,830.79 × 658,881.64 - Step 4: Simplify right side
1,202,745.98x = 1,093,632,033,877.08 - Step 5: Solve for x
x = 1,093,632,033,877.08/1,202,745.98 - Step 6: Final answer
x = 909,279.31
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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.