Finding the Fourth Proportional to 1,348,778.51, 1,861,292.62 and 736,918.13
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Solution
The fourth proportional to 1,348,778.51, 1,861,292.62 and 736,918.13 is: 1,016,935.15
Step by Step Solution
- Step 1: Write the proportion equation
1,348,778.51 : 1,861,292.62 = 736,918.13 : x - Step 2: Convert to fraction form
1,348,778.51/1,861,292.62 = 736,918.13/x - Step 3: Cross multiply
1,348,778.51x = 1,861,292.62 × 736,918.13 - Step 4: Simplify right side
1,348,778.51x = 1,371,620,276,913.20 - Step 5: Solve for x
x = 1,371,620,276,913.20/1,348,778.51 - Step 6: Final answer
x = 1,016,935.15
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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.