Finding the Fourth Proportional to 1,302,666.68, 1,797,779.76 and 819,645.88
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Solution
The fourth proportional to 1,302,666.68, 1,797,779.76 and 819,645.88 is: 1,131,174.07
Step by Step Solution
- Step 1: Write the proportion equation
1,302,666.68 : 1,797,779.76 = 819,645.88 : x - Step 2: Convert to fraction form
1,302,666.68/1,797,779.76 = 819,645.88/x - Step 3: Cross multiply
1,302,666.68x = 1,797,779.76 × 819,645.88 - Step 4: Simplify right side
1,302,666.68x = 1,473,542,773,431.39 - Step 5: Solve for x
x = 1,473,542,773,431.39/1,302,666.68 - Step 6: Final answer
x = 1,131,174.07
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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.