Finding the Fourth Proportional to 1,227,197.68, 1,693,446.27 and 768,291.23
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Solution
The fourth proportional to 1,227,197.68, 1,693,446.27 and 768,291.23 is: 1,060,187.73
Step by Step Solution
- Step 1: Write the proportion equation
1,227,197.68 : 1,693,446.27 = 768,291.23 : x - Step 2: Convert to fraction form
1,227,197.68/1,693,446.27 = 768,291.23/x - Step 3: Cross multiply
1,227,197.68x = 1,693,446.27 × 768,291.23 - Step 4: Simplify right side
1,227,197.68x = 1,301,059,917,717.21 - Step 5: Solve for x
x = 1,301,059,917,717.21/1,227,197.68 - Step 6: Final answer
x = 1,060,187.73
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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.