Finding the Fourth Proportional to 1,350,602.10, 1,863,991.64 and 777,753.90
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Solution
The fourth proportional to 1,350,602.10, 1,863,991.64 and 777,753.90 is: 1,073,392.95
Step by Step Solution
- Step 1: Write the proportion equation
1,350,602.10 : 1,863,991.64 = 777,753.90 : x - Step 2: Convert to fraction form
1,350,602.10/1,863,991.64 = 777,753.90/x - Step 3: Cross multiply
1,350,602.10x = 1,863,991.64 × 777,753.90 - Step 4: Simplify right side
1,350,602.10x = 1,449,726,769,521.78 - Step 5: Solve for x
x = 1,449,726,769,521.78/1,350,602.10 - Step 6: Final answer
x = 1,073,392.95
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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.