Finding the Fourth Proportional to 1,247,824.91, 1,721,998.37 and 674,865.08
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Solution
The fourth proportional to 1,247,824.91, 1,721,998.37 and 674,865.08 is: 931,313.80
Step by Step Solution
- Step 1: Write the proportion equation
1,247,824.91 : 1,721,998.37 = 674,865.08 : x - Step 2: Convert to fraction form
1,247,824.91/1,721,998.37 = 674,865.08/x - Step 3: Cross multiply
1,247,824.91x = 1,721,998.37 × 674,865.08 - Step 4: Simplify right side
1,247,824.91x = 1,162,116,555,745.60 - Step 5: Solve for x
x = 1,162,116,555,745.60/1,247,824.91 - Step 6: Final answer
x = 931,313.80
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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.