Finding the Fourth Proportional to 1,252,753.55, 1,728,804.48 and 679,793.70
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Solution
The fourth proportional to 1,252,753.55, 1,728,804.48 and 679,793.70 is: 938,117.80
Step by Step Solution
- Step 1: Write the proportion equation
1,252,753.55 : 1,728,804.48 = 679,793.70 : x - Step 2: Convert to fraction form
1,252,753.55/1,728,804.48 = 679,793.70/x - Step 3: Cross multiply
1,252,753.55x = 1,728,804.48 × 679,793.70 - Step 4: Simplify right side
1,252,753.55x = 1,175,230,394,035.78 - Step 5: Solve for x
x = 1,175,230,394,035.78/1,252,753.55 - Step 6: Final answer
x = 938,117.80
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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.