Finding the Fourth Proportional to 1,348,778.45, 1,861,292.54 and 736,918.09
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Solution
The fourth proportional to 1,348,778.45, 1,861,292.54 and 736,918.09 is: 1,016,935.09
Step by Step Solution
- Step 1: Write the proportion equation
1,348,778.45 : 1,861,292.54 = 736,918.09 : x - Step 2: Convert to fraction form
1,348,778.45/1,861,292.54 = 736,918.09/x - Step 3: Cross multiply
1,348,778.45x = 1,861,292.54 × 736,918.09 - Step 4: Simplify right side
1,348,778.45x = 1,371,620,140,697.11 - Step 5: Solve for x
x = 1,371,620,140,697.11/1,348,778.45 - Step 6: Final answer
x = 1,016,935.09
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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.