Finding the Fourth Proportional to 1,267,109.08, 1,748,610.60 and 757,811.56
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Solution
The fourth proportional to 1,267,109.08, 1,748,610.60 and 757,811.56 is: 1,045,779.99
Step by Step Solution
- Step 1: Write the proportion equation
1,267,109.08 : 1,748,610.60 = 757,811.56 : x - Step 2: Convert to fraction form
1,267,109.08/1,748,610.60 = 757,811.56/x - Step 3: Cross multiply
1,267,109.08x = 1,748,610.60 × 757,811.56 - Step 4: Simplify right side
1,267,109.08x = 1,325,117,326,618.54 - Step 5: Solve for x
x = 1,325,117,326,618.54/1,267,109.08 - Step 6: Final answer
x = 1,045,779.99
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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.