Finding the Fourth Proportional to 1,116,742.70, 1,675,114.05 and 696,838.70
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Solution
The fourth proportional to 1,116,742.70, 1,675,114.05 and 696,838.70 is: 1,045,258.05
Step by Step Solution
- Step 1: Write the proportion equation
1,116,742.70 : 1,675,114.05 = 696,838.70 : x - Step 2: Convert to fraction form
1,116,742.70/1,675,114.05 = 696,838.70/x - Step 3: Cross multiply
1,116,742.70x = 1,675,114.05 × 696,838.70 - Step 4: Simplify right side
1,116,742.70x = 1,167,284,296,953.73 - Step 5: Solve for x
x = 1,167,284,296,953.73/1,116,742.70 - Step 6: Final answer
x = 1,045,258.05
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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.