Finding the Fourth Proportional to 1,283,922.39, 1,771,791.09 and 710,950.26
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Solution
The fourth proportional to 1,283,922.39, 1,771,791.09 and 710,950.26 is: 981,099.28
Step by Step Solution
- Step 1: Write the proportion equation
1,283,922.39 : 1,771,791.09 = 710,950.26 : x - Step 2: Convert to fraction form
1,283,922.39/1,771,791.09 = 710,950.26/x - Step 3: Cross multiply
1,283,922.39x = 1,771,791.09 × 710,950.26 - Step 4: Simplify right side
1,283,922.39x = 1,259,655,336,101.18 - Step 5: Solve for x
x = 1,259,655,336,101.18/1,283,922.39 - Step 6: Final answer
x = 981,099.28
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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.