Finding the Fourth Proportional to 1,180,360.08, 1,629,023.06 and 721,743.45
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Solution
The fourth proportional to 1,180,360.08, 1,629,023.06 and 721,743.45 is: 996,083.09
Step by Step Solution
- Step 1: Write the proportion equation
1,180,360.08 : 1,629,023.06 = 721,743.45 : x - Step 2: Convert to fraction form
1,180,360.08/1,629,023.06 = 721,743.45/x - Step 3: Cross multiply
1,180,360.08x = 1,629,023.06 × 721,743.45 - Step 4: Simplify right side
1,180,360.08x = 1,175,736,719,149.48 - Step 5: Solve for x
x = 1,175,736,719,149.48/1,180,360.08 - Step 6: Final answer
x = 996,083.09
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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.