Finding the Fourth Proportional to 1,246,120.88, 1,719,648.35 and 673,161.05
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Solution
The fourth proportional to 1,246,120.88, 1,719,648.35 and 673,161.05 is: 928,963.08
Step by Step Solution
- Step 1: Write the proportion equation
1,246,120.88 : 1,719,648.35 = 673,161.05 : x - Step 2: Convert to fraction form
1,246,120.88/1,719,648.35 = 673,161.05/x - Step 3: Cross multiply
1,246,120.88x = 1,719,648.35 × 673,161.05 - Step 4: Simplify right side
1,246,120.88x = 1,157,600,288,222.02 - Step 5: Solve for x
x = 1,157,600,288,222.02/1,246,120.88 - Step 6: Final answer
x = 928,963.08
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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.