Finding the Fourth Proportional to 1,202,518.20, 1,659,475.53 and 658,663.09
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Solution
The fourth proportional to 1,202,518.20, 1,659,475.53 and 658,663.09 is: 908,955.29
Step by Step Solution
- Step 1: Write the proportion equation
1,202,518.20 : 1,659,475.53 = 658,663.09 : x - Step 2: Convert to fraction form
1,202,518.20/1,659,475.53 = 658,663.09/x - Step 3: Cross multiply
1,202,518.20x = 1,659,475.53 × 658,663.09 - Step 4: Simplify right side
1,202,518.20x = 1,093,035,283,702.56 - Step 5: Solve for x
x = 1,093,035,283,702.56/1,202,518.20 - Step 6: Final answer
x = 908,955.29
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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.