Finding the Fourth Proportional to 1,320,750.70, 1,981,126.05 and 848,358.70
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Solution
The fourth proportional to 1,320,750.70, 1,981,126.05 and 848,358.70 is: 1,272,538.05
Step by Step Solution
- Step 1: Write the proportion equation
1,320,750.70 : 1,981,126.05 = 848,358.70 : x - Step 2: Convert to fraction form
1,320,750.70/1,981,126.05 = 848,358.70/x - Step 3: Cross multiply
1,320,750.70x = 1,981,126.05 × 848,358.70 - Step 4: Simplify right side
1,320,750.70x = 1,680,705,520,314.14 - Step 5: Solve for x
x = 1,680,705,520,314.14/1,320,750.70 - Step 6: Final answer
x = 1,272,538.05
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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.