Finding the Fourth Proportional to 1,422,402.96, 1,962,836.64 and 777,694.80
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Solution
The fourth proportional to 1,422,402.96, 1,962,836.64 and 777,694.80 is: 1,073,175.39
Step by Step Solution
- Step 1: Write the proportion equation
1,422,402.96 : 1,962,836.64 = 777,694.80 : x - Step 2: Convert to fraction form
1,422,402.96/1,962,836.64 = 777,694.80/x - Step 3: Cross multiply
1,422,402.96x = 1,962,836.64 × 777,694.80 - Step 4: Simplify right side
1,422,402.96x = 1,526,487,848,177.47 - Step 5: Solve for x
x = 1,526,487,848,177.47/1,422,402.96 - Step 6: Final answer
x = 1,073,175.39
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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.