Finding the Fourth Proportional to 1,242,504.18, 1,863,779.58 and 389,556.92
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Solution
The fourth proportional to 1,242,504.18, 1,863,779.58 and 389,556.92 is: 584,342.69
Step by Step Solution
- Step 1: Write the proportion equation
1,242,504.18 : 1,863,779.58 = 389,556.92 : x - Step 2: Convert to fraction form
1,242,504.18/1,863,779.58 = 389,556.92/x - Step 3: Cross multiply
1,242,504.18x = 1,863,779.58 × 389,556.92 - Step 4: Simplify right side
1,242,504.18x = 726,048,232,743.69 - Step 5: Solve for x
x = 726,048,232,743.69/1,242,504.18 - Step 6: Final answer
x = 584,342.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.