Finding the Fourth Proportional to 1,202,741.12, 1,659,784.75 and 658,865.05
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Solution
The fourth proportional to 1,202,741.12, 1,659,784.75 and 658,865.05 is: 909,234.86
Step by Step Solution
- Step 1: Write the proportion equation
1,202,741.12 : 1,659,784.75 = 658,865.05 : x - Step 2: Convert to fraction form
1,202,741.12/1,659,784.75 = 658,865.05/x - Step 3: Cross multiply
1,202,741.12x = 1,659,784.75 × 658,865.05 - Step 4: Simplify right side
1,202,741.12x = 1,093,574,159,003.66 - Step 5: Solve for x
x = 1,093,574,159,003.66/1,202,741.12 - Step 6: Final answer
x = 909,234.86
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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.