Finding the Fourth Proportional to 1,235,135.39, 1,704,162.85 and 711,717.23
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Solution
The fourth proportional to 1,235,135.39, 1,704,162.85 and 711,717.23 is: 981,983.09
Step by Step Solution
- Step 1: Write the proportion equation
1,235,135.39 : 1,704,162.85 = 711,717.23 : x - Step 2: Convert to fraction form
1,235,135.39/1,704,162.85 = 711,717.23/x - Step 3: Cross multiply
1,235,135.39x = 1,704,162.85 × 711,717.23 - Step 4: Simplify right side
1,235,135.39x = 1,212,882,065,552.02 - Step 5: Solve for x
x = 1,212,882,065,552.02/1,235,135.39 - Step 6: Final answer
x = 981,983.09
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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.