Finding the Fourth Proportional to 1,309,609.49, 1,807,163.39 and 736,538.95
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Solution
The fourth proportional to 1,309,609.49, 1,807,163.39 and 736,538.95 is: 1,016,368.80
Step by Step Solution
- Step 1: Write the proportion equation
1,309,609.49 : 1,807,163.39 = 736,538.95 : x - Step 2: Convert to fraction form
1,309,609.49/1,807,163.39 = 736,538.95/x - Step 3: Cross multiply
1,309,609.49x = 1,807,163.39 × 736,538.95 - Step 4: Simplify right side
1,309,609.49x = 1,331,046,225,749.04 - Step 5: Solve for x
x = 1,331,046,225,749.04/1,309,609.49 - Step 6: Final answer
x = 1,016,368.80
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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.