Finding the Fourth Proportional to 1,198,180.81, 1,653,427.92 and 654,211.81
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Solution
The fourth proportional to 1,198,180.81, 1,653,427.92 and 654,211.81 is: 902,778.67
Step by Step Solution
- Step 1: Write the proportion equation
1,198,180.81 : 1,653,427.92 = 654,211.81 : x - Step 2: Convert to fraction form
1,198,180.81/1,653,427.92 = 654,211.81/x - Step 3: Cross multiply
1,198,180.81x = 1,653,427.92 × 654,211.81 - Step 4: Simplify right side
1,198,180.81x = 1,081,692,072,247.74 - Step 5: Solve for x
x = 1,081,692,072,247.74/1,198,180.81 - Step 6: Final answer
x = 902,778.67
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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.