Finding the Fourth Proportional to 1,348,779.45, 1,861,293.92 and 736,919.09
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Solution
The fourth proportional to 1,348,779.45, 1,861,293.92 and 736,919.09 is: 1,016,936.48
Step by Step Solution
- Step 1: Write the proportion equation
1,348,779.45 : 1,861,293.92 = 736,919.09 : x - Step 2: Convert to fraction form
1,348,779.45/1,861,293.92 = 736,919.09/x - Step 3: Cross multiply
1,348,779.45x = 1,861,293.92 × 736,919.09 - Step 4: Simplify right side
1,348,779.45x = 1,371,623,021,748.93 - Step 5: Solve for x
x = 1,371,623,021,748.93/1,348,779.45 - Step 6: Final answer
x = 1,016,936.48
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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.