Finding the Fourth Proportional to 1,364,990.40, 2,049,040.80 and 804,340.80
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Solution
The fourth proportional to 1,364,990.40, 2,049,040.80 and 804,340.80 is: 1,207,427.62
Step by Step Solution
- Step 1: Write the proportion equation
1,364,990.40 : 2,049,040.80 = 804,340.80 : x - Step 2: Convert to fraction form
1,364,990.40/2,049,040.80 = 804,340.80/x - Step 3: Cross multiply
1,364,990.40x = 2,049,040.80 × 804,340.80 - Step 4: Simplify right side
1,364,990.40x = 1,648,127,116,304.64 - Step 5: Solve for x
x = 1,648,127,116,304.64/1,364,990.40 - Step 6: Final answer
x = 1,207,427.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.