Finding the Fourth Proportional to 1,367,728.60, 2,053,277.70 and 862,288.60
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Solution
The fourth proportional to 1,367,728.60, 2,053,277.70 and 862,288.60 is: 1,294,495.09
Step by Step Solution
- Step 1: Write the proportion equation
1,367,728.60 : 2,053,277.70 = 862,288.60 : x - Step 2: Convert to fraction form
1,367,728.60/2,053,277.70 = 862,288.60/x - Step 3: Cross multiply
1,367,728.60x = 2,053,277.70 × 862,288.60 - Step 4: Simplify right side
1,367,728.60x = 1,770,517,953,344.22 - Step 5: Solve for x
x = 1,770,517,953,344.22/1,367,728.60 - Step 6: Final answer
x = 1,294,495.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.