Finding the Fourth Proportional to 1,107,621.74, 1,528,519.38 and 598,324.12
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Solution
The fourth proportional to 1,107,621.74, 1,528,519.38 and 598,324.12 is: 825,688.03
Step by Step Solution
- Step 1: Write the proportion equation
1,107,621.74 : 1,528,519.38 = 598,324.12 : x - Step 2: Convert to fraction form
1,107,621.74/1,528,519.38 = 598,324.12/x - Step 3: Cross multiply
1,107,621.74x = 1,528,519.38 × 598,324.12 - Step 4: Simplify right side
1,107,621.74x = 914,550,012,941.45 - Step 5: Solve for x
x = 914,550,012,941.45/1,107,621.74 - Step 6: Final answer
x = 825,688.03
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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.