Finding the Fourth Proportional to 1,190,967.15, 1,785,446.56 and 516,540.70
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Solution
The fourth proportional to 1,190,967.15, 1,785,446.56 and 516,540.70 is: 774,375.53
Step by Step Solution
- Step 1: Write the proportion equation
1,190,967.15 : 1,785,446.56 = 516,540.70 : x - Step 2: Convert to fraction form
1,190,967.15/1,785,446.56 = 516,540.70/x - Step 3: Cross multiply
1,190,967.15x = 1,785,446.56 × 516,540.70 - Step 4: Simplify right side
1,190,967.15x = 922,255,815,914.99 - Step 5: Solve for x
x = 922,255,815,914.99/1,190,967.15 - Step 6: Final answer
x = 774,375.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.