Finding the Fourth Proportional to 1,338,558.24, 1,847,211.98 and 726,711.60
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Solution
The fourth proportional to 1,338,558.24, 1,847,211.98 and 726,711.60 is: 1,002,862.88
Step by Step Solution
- Step 1: Write the proportion equation
1,338,558.24 : 1,847,211.98 = 726,711.60 : x - Step 2: Convert to fraction form
1,338,558.24/1,847,211.98 = 726,711.60/x - Step 3: Cross multiply
1,338,558.24x = 1,847,211.98 × 726,711.60 - Step 4: Simplify right side
1,338,558.24x = 1,342,390,369,891.41 - Step 5: Solve for x
x = 1,342,390,369,891.41/1,338,558.24 - Step 6: Final answer
x = 1,002,862.88
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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.