Finding the Fourth Proportional to 1,190,892.58, 1,784,258.79 and 992,487.94
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Solution
The fourth proportional to 1,190,892.58, 1,784,258.79 and 992,487.94 is: 1,486,998.37
Step by Step Solution
- Step 1: Write the proportion equation
1,190,892.58 : 1,784,258.79 = 992,487.94 : x - Step 2: Convert to fraction form
1,190,892.58/1,784,258.79 = 992,487.94/x - Step 3: Cross multiply
1,190,892.58x = 1,784,258.79 × 992,487.94 - Step 4: Simplify right side
1,190,892.58x = 1,770,855,330,913.99 - Step 5: Solve for x
x = 1,770,855,330,913.99/1,190,892.58 - Step 6: Final answer
x = 1,486,998.37
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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.