Finding the Fourth Proportional to 1,110,161.62, 1,532,060.13 and 680,358.70
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Solution
The fourth proportional to 1,110,161.62, 1,532,060.13 and 680,358.70 is: 938,917.74
Step by Step Solution
- Step 1: Write the proportion equation
1,110,161.62 : 1,532,060.13 = 680,358.70 : x - Step 2: Convert to fraction form
1,110,161.62/1,532,060.13 = 680,358.70/x - Step 3: Cross multiply
1,110,161.62x = 1,532,060.13 × 680,358.70 - Step 4: Simplify right side
1,110,161.62x = 1,042,350,438,368.63 - Step 5: Solve for x
x = 1,042,350,438,368.63/1,110,161.62 - Step 6: Final answer
x = 938,917.74
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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.