Finding the Fourth Proportional to 1,135,771.27, 1,567,534.07 and 728,333.17
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Solution
The fourth proportional to 1,135,771.27, 1,567,534.07 and 728,333.17 is: 1,005,208.61
Step by Step Solution
- Step 1: Write the proportion equation
1,135,771.27 : 1,567,534.07 = 728,333.17 : x - Step 2: Convert to fraction form
1,135,771.27/1,567,534.07 = 728,333.17/x - Step 3: Cross multiply
1,135,771.27x = 1,567,534.07 × 728,333.17 - Step 4: Simplify right side
1,135,771.27x = 1,141,687,056,188.10 - Step 5: Solve for x
x = 1,141,687,056,188.10/1,135,771.27 - Step 6: Final answer
x = 1,005,208.61
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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.