Finding the Fourth Proportional to 1,201,984.97, 1,658,738.96 and 658,120.61
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Solution
The fourth proportional to 1,201,984.97, 1,658,738.96 and 658,120.61 is: 908,206.28
Step by Step Solution
- Step 1: Write the proportion equation
1,201,984.97 : 1,658,738.96 = 658,120.61 : x - Step 2: Convert to fraction form
1,201,984.97/1,658,738.96 = 658,120.61/x - Step 3: Cross multiply
1,201,984.97x = 1,658,738.96 × 658,120.61 - Step 4: Simplify right side
1,201,984.97x = 1,091,650,301,978.11 - Step 5: Solve for x
x = 1,091,650,301,978.11/1,201,984.97 - Step 6: Final answer
x = 908,206.28
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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.