Finding the Fourth Proportional to 1,040,427.11, 1,560,605.48 and 366,490.80
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Solution
The fourth proportional to 1,040,427.11, 1,560,605.48 and 366,490.80 is: 549,723.81
Step by Step Solution
- Step 1: Write the proportion equation
1,040,427.11 : 1,560,605.48 = 366,490.80 : x - Step 2: Convert to fraction form
1,040,427.11/1,560,605.48 = 366,490.80/x - Step 3: Cross multiply
1,040,427.11x = 1,560,605.48 × 366,490.80 - Step 4: Simplify right side
1,040,427.11x = 571,947,556,842.18 - Step 5: Solve for x
x = 571,947,556,842.18/1,040,427.11 - Step 6: Final answer
x = 549,723.81
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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.