Finding the Fourth Proportional to 1,122,071.52, 1,683,943.24 and 823,324.08
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Solution
The fourth proportional to 1,122,071.52, 1,683,943.24 and 823,324.08 is: 1,235,599.51
Step by Step Solution
- Step 1: Write the proportion equation
1,122,071.52 : 1,683,943.24 = 823,324.08 : x - Step 2: Convert to fraction form
1,122,071.52/1,683,943.24 = 823,324.08/x - Step 3: Cross multiply
1,122,071.52x = 1,683,943.24 × 823,324.08 - Step 4: Simplify right side
1,122,071.52x = 1,386,431,018,845.22 - Step 5: Solve for x
x = 1,386,431,018,845.22/1,122,071.52 - Step 6: Final answer
x = 1,235,599.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.