Finding the Fourth Proportional to 1,271,382.36, 1,754,810.18 and 727,832.07
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Solution
The fourth proportional to 1,271,382.36, 1,754,810.18 and 727,832.07 is: 1,004,581.44
Step by Step Solution
- Step 1: Write the proportion equation
1,271,382.36 : 1,754,810.18 = 727,832.07 : x - Step 2: Convert to fraction form
1,271,382.36/1,754,810.18 = 727,832.07/x - Step 3: Cross multiply
1,271,382.36x = 1,754,810.18 × 727,832.07 - Step 4: Simplify right side
1,271,382.36x = 1,277,207,122,127.31 - Step 5: Solve for x
x = 1,277,207,122,127.31/1,271,382.36 - Step 6: Final answer
x = 1,004,581.44
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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.