Finding the Fourth Proportional to 1,135,020.49, 1,565,442.05 and 727,159.97
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Solution
The fourth proportional to 1,135,020.49, 1,565,442.05 and 727,159.97 is: 1,002,912.99
Step by Step Solution
- Step 1: Write the proportion equation
1,135,020.49 : 1,565,442.05 = 727,159.97 : x - Step 2: Convert to fraction form
1,135,020.49/1,565,442.05 = 727,159.97/x - Step 3: Cross multiply
1,135,020.49x = 1,565,442.05 × 727,159.97 - Step 4: Simplify right side
1,135,020.49x = 1,138,326,794,392.54 - Step 5: Solve for x
x = 1,138,326,794,392.54/1,135,020.49 - Step 6: Final answer
x = 1,002,912.99
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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.