Finding the Fourth Proportional to 1,124,568.44, 1,552,153.56 and 776,198.08
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Solution
The fourth proportional to 1,124,568.44, 1,552,153.56 and 776,198.08 is: 1,071,325.29
Step by Step Solution
- Step 1: Write the proportion equation
1,124,568.44 : 1,552,153.56 = 776,198.08 : x - Step 2: Convert to fraction form
1,124,568.44/1,552,153.56 = 776,198.08/x - Step 3: Cross multiply
1,124,568.44x = 1,552,153.56 × 776,198.08 - Step 4: Simplify right side
1,124,568.44x = 1,204,778,613,137.16 - Step 5: Solve for x
x = 1,204,778,613,137.16/1,124,568.44 - Step 6: Final answer
x = 1,071,325.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.