Finding the Fourth Proportional to 1,135,440.12, 1,566,984.78 and 658,512.12
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Solution
The fourth proportional to 1,135,440.12, 1,566,984.78 and 658,512.12 is: 908,791.62
Step by Step Solution
- Step 1: Write the proportion equation
1,135,440.12 : 1,566,984.78 = 658,512.12 : x - Step 2: Convert to fraction form
1,135,440.12/1,566,984.78 = 658,512.12/x - Step 3: Cross multiply
1,135,440.12x = 1,566,984.78 × 658,512.12 - Step 4: Simplify right side
1,135,440.12x = 1,031,878,469,485.53 - Step 5: Solve for x
x = 1,031,878,469,485.53/1,135,440.12 - Step 6: Final answer
x = 908,791.62
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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.