Finding the Fourth Proportional to 1,186,299.12, 1,787,543.94 and 980,546.16
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Solution
The fourth proportional to 1,186,299.12, 1,787,543.94 and 980,546.16 is: 1,477,510.45
Step by Step Solution
- Step 1: Write the proportion equation
1,186,299.12 : 1,787,543.94 = 980,546.16 : x - Step 2: Convert to fraction form
1,186,299.12/1,787,543.94 = 980,546.16/x - Step 3: Cross multiply
1,186,299.12x = 1,787,543.94 × 980,546.16 - Step 4: Simplify right side
1,186,299.12x = 1,752,769,346,198.27 - Step 5: Solve for x
x = 1,752,769,346,198.27/1,186,299.12 - Step 6: Final answer
x = 1,477,510.45
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.