Finding the Fourth Proportional to 1,405,890.26, 1,940,137.78 and 761,310.48
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Solution
The fourth proportional to 1,405,890.26, 1,940,137.78 and 761,310.48 is: 1,050,613.46
Step by Step Solution
- Step 1: Write the proportion equation
1,405,890.26 : 1,940,137.78 = 761,310.48 : x - Step 2: Convert to fraction form
1,405,890.26/1,940,137.78 = 761,310.48/x - Step 3: Cross multiply
1,405,890.26x = 1,940,137.78 × 761,310.48 - Step 4: Simplify right side
1,405,890.26x = 1,477,047,224,557.93 - Step 5: Solve for x
x = 1,477,047,224,557.93/1,405,890.26 - Step 6: Final answer
x = 1,050,613.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.