Finding the Fourth Proportional to 1,436,045.94, 1,981,717.68 and 782,677.84
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Solution
The fourth proportional to 1,436,045.94, 1,981,717.68 and 782,677.84 is: 1,080,081.40
Step by Step Solution
- Step 1: Write the proportion equation
1,436,045.94 : 1,981,717.68 = 782,677.84 : x - Step 2: Convert to fraction form
1,436,045.94/1,981,717.68 = 782,677.84/x - Step 3: Cross multiply
1,436,045.94x = 1,981,717.68 × 782,677.84 - Step 4: Simplify right side
1,436,045.94x = 1,551,046,513,272.21 - Step 5: Solve for x
x = 1,551,046,513,272.21/1,436,045.94 - Step 6: Final answer
x = 1,080,081.40
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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.