Finding the Fourth Proportional to 1,201,891.47, 1,658,609.43 and 658,027.12
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Solution
The fourth proportional to 1,201,891.47, 1,658,609.43 and 658,027.12 is: 908,076.99
Step by Step Solution
- Step 1: Write the proportion equation
1,201,891.47 : 1,658,609.43 = 658,027.12 : x - Step 2: Convert to fraction form
1,201,891.47/1,658,609.43 = 658,027.12/x - Step 3: Cross multiply
1,201,891.47x = 1,658,609.43 × 658,027.12 - Step 4: Simplify right side
1,201,891.47x = 1,091,409,983,810.77 - Step 5: Solve for x
x = 1,091,409,983,810.77/1,201,891.47 - Step 6: Final answer
x = 908,076.99
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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.