Finding the Fourth Proportional to 1,350,528.12, 1,863,889.54 and 777,679.92
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Solution
The fourth proportional to 1,350,528.12, 1,863,889.54 and 777,679.92 is: 1,073,290.85
Step by Step Solution
- Step 1: Write the proportion equation
1,350,528.12 : 1,863,889.54 = 777,679.92 : x - Step 2: Convert to fraction form
1,350,528.12/1,863,889.54 = 777,679.92/x - Step 3: Cross multiply
1,350,528.12x = 1,863,889.54 × 777,679.92 - Step 4: Simplify right side
1,350,528.12x = 1,449,509,468,356.04 - Step 5: Solve for x
x = 1,449,509,468,356.04/1,350,528.12 - Step 6: Final answer
x = 1,073,290.85
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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.