Finding the Fourth Proportional to 1,062,072.96, 1,465,660.80 and 578,638.05
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Solution
The fourth proportional to 1,062,072.96, 1,465,660.80 and 578,638.05 is: 798,520.58
Step by Step Solution
- Step 1: Write the proportion equation
1,062,072.96 : 1,465,660.80 = 578,638.05 : x - Step 2: Convert to fraction form
1,062,072.96/1,465,660.80 = 578,638.05/x - Step 3: Cross multiply
1,062,072.96x = 1,465,660.80 × 578,638.05 - Step 4: Simplify right side
1,062,072.96x = 848,087,115,771.15 - Step 5: Solve for x
x = 848,087,115,771.15/1,062,072.96 - Step 6: Final answer
x = 798,520.58
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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.