Finding the Fourth Proportional to 1,224,714.66, 1,690,163.87 and 680,859.47
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Solution
The fourth proportional to 1,224,714.66, 1,690,163.87 and 680,859.47 is: 939,618.12
Step by Step Solution
- Step 1: Write the proportion equation
1,224,714.66 : 1,690,163.87 = 680,859.47 : x - Step 2: Convert to fraction form
1,224,714.66/1,690,163.87 = 680,859.47/x - Step 3: Cross multiply
1,224,714.66x = 1,690,163.87 × 680,859.47 - Step 4: Simplify right side
1,224,714.66x = 1,150,764,081,392.30 - Step 5: Solve for x
x = 1,150,764,081,392.30/1,224,714.66 - Step 6: Final answer
x = 939,618.12
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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.