Finding the Fourth Proportional to 1,146,546.16, 1,578,619.74 and 1,040,257.96
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Solution
The fourth proportional to 1,146,546.16, 1,578,619.74 and 1,040,257.96 is: 1,432,277.05
Step by Step Solution
- Step 1: Write the proportion equation
1,146,546.16 : 1,578,619.74 = 1,040,257.96 : x - Step 2: Convert to fraction form
1,146,546.16/1,578,619.74 = 1,040,257.96/x - Step 3: Cross multiply
1,146,546.16x = 1,578,619.74 × 1,040,257.96 - Step 4: Simplify right side
1,146,546.16x = 1,642,171,750,348.13 - Step 5: Solve for x
x = 1,642,171,750,348.13/1,146,546.16 - Step 6: Final answer
x = 1,432,277.05
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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.