Finding the Fourth Proportional to 1,311,584.16, 1,809,958.84 and 730,804.98
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Solution
The fourth proportional to 1,311,584.16, 1,809,958.84 and 730,804.98 is: 1,008,495.66
Step by Step Solution
- Step 1: Write the proportion equation
1,311,584.16 : 1,809,958.84 = 730,804.98 : x - Step 2: Convert to fraction form
1,311,584.16/1,809,958.84 = 730,804.98/x - Step 3: Cross multiply
1,311,584.16x = 1,809,958.84 × 730,804.98 - Step 4: Simplify right side
1,311,584.16x = 1,322,726,938,827.36 - Step 5: Solve for x
x = 1,322,726,938,827.36/1,311,584.16 - Step 6: Final answer
x = 1,008,495.66
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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.