Finding the Fourth Proportional to 1,261,540.35, 1,740,897.95 and 688,590.09
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Solution
The fourth proportional to 1,261,540.35, 1,740,897.95 and 688,590.09 is: 950,239.18
Step by Step Solution
- Step 1: Write the proportion equation
1,261,540.35 : 1,740,897.95 = 688,590.09 : x - Step 2: Convert to fraction form
1,261,540.35/1,740,897.95 = 688,590.09/x - Step 3: Cross multiply
1,261,540.35x = 1,740,897.95 × 688,590.09 - Step 4: Simplify right side
1,261,540.35x = 1,198,765,072,628.37 - Step 5: Solve for x
x = 1,198,765,072,628.37/1,261,540.35 - Step 6: Final answer
x = 950,239.18
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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.