Finding the Fourth Proportional to 1,195,409.16, 1,649,665.26 and 679,163.96
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Solution
The fourth proportional to 1,195,409.16, 1,649,665.26 and 679,163.96 is: 937,246.62
Step by Step Solution
- Step 1: Write the proportion equation
1,195,409.16 : 1,649,665.26 = 679,163.96 : x - Step 2: Convert to fraction form
1,195,409.16/1,649,665.26 = 679,163.96/x - Step 3: Cross multiply
1,195,409.16x = 1,649,665.26 × 679,163.96 - Step 4: Simplify right side
1,195,409.16x = 1,120,393,190,656.03 - Step 5: Solve for x
x = 1,120,393,190,656.03/1,195,409.16 - Step 6: Final answer
x = 937,246.62
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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.