Finding the Fourth Proportional to 1,120,684.92, 1,546,718.40 and 661,849.08
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Solution
The fourth proportional to 1,120,684.92, 1,546,718.40 and 661,849.08 is: 913,454.02
Step by Step Solution
- Step 1: Write the proportion equation
1,120,684.92 : 1,546,718.40 = 661,849.08 : x - Step 2: Convert to fraction form
1,120,684.92/1,546,718.40 = 661,849.08/x - Step 3: Cross multiply
1,120,684.92x = 1,546,718.40 × 661,849.08 - Step 4: Simplify right side
1,120,684.92x = 1,023,694,150,059.07 - Step 5: Solve for x
x = 1,023,694,150,059.07/1,120,684.92 - Step 6: Final answer
x = 913,454.02
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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.