Finding the Fourth Proportional to 1,397,544.60, 1,928,680.02 and 785,889.96
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Solution
The fourth proportional to 1,397,544.60, 1,928,680.02 and 785,889.96 is: 1,084,566.65
Step by Step Solution
- Step 1: Write the proportion equation
1,397,544.60 : 1,928,680.02 = 785,889.96 : x - Step 2: Convert to fraction form
1,397,544.60/1,928,680.02 = 785,889.96/x - Step 3: Cross multiply
1,397,544.60x = 1,928,680.02 × 785,889.96 - Step 4: Simplify right side
1,397,544.60x = 1,515,730,263,770.60 - Step 5: Solve for x
x = 1,515,730,263,770.60/1,397,544.60 - Step 6: Final answer
x = 1,084,566.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.