Finding the Fourth Proportional to 1,197,425.36, 1,796,425.09 and 398,714.13
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Solution
The fourth proportional to 1,197,425.36, 1,796,425.09 and 398,714.13 is: 598,166.77
Step by Step Solution
- Step 1: Write the proportion equation
1,197,425.36 : 1,796,425.09 = 398,714.13 : x - Step 2: Convert to fraction form
1,197,425.36/1,796,425.09 = 398,714.13/x - Step 3: Cross multiply
1,197,425.36x = 1,796,425.09 × 398,714.13 - Step 4: Simplify right side
1,197,425.36x = 716,260,065,872.74 - Step 5: Solve for x
x = 716,260,065,872.74/1,197,425.36 - Step 6: Final answer
x = 598,166.77
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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.