Finding the Fourth Proportional to 1,222,629.20, 1,831,358.28 and 773,118.08
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Solution
The fourth proportional to 1,222,629.20, 1,831,358.28 and 773,118.08 is: 1,158,042.19
Step by Step Solution
- Step 1: Write the proportion equation
1,222,629.20 : 1,831,358.28 = 773,118.08 : x - Step 2: Convert to fraction form
1,222,629.20/1,831,358.28 = 773,118.08/x - Step 3: Cross multiply
1,222,629.20x = 1,831,358.28 × 773,118.08 - Step 4: Simplify right side
1,222,629.20x = 1,415,856,193,486.91 - Step 5: Solve for x
x = 1,415,856,193,486.91/1,222,629.20 - Step 6: Final answer
x = 1,158,042.19
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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.