Finding the Fourth Proportional to 1,301,943.54, 1,796,266.90 and 843,409.60
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Solution
The fourth proportional to 1,301,943.54, 1,796,266.90 and 843,409.60 is: 1,163,636.29
Step by Step Solution
- Step 1: Write the proportion equation
1,301,943.54 : 1,796,266.90 = 843,409.60 : x - Step 2: Convert to fraction form
1,301,943.54/1,796,266.90 = 843,409.60/x - Step 3: Cross multiply
1,301,943.54x = 1,796,266.90 × 843,409.60 - Step 4: Simplify right side
1,301,943.54x = 1,514,988,747,622.24 - Step 5: Solve for x
x = 1,514,988,747,622.24/1,301,943.54 - Step 6: Final answer
x = 1,163,636.29
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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.