Finding the Fourth Proportional to 1,198,702.24, 1,654,181.40 and 654,840.28
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Solution
The fourth proportional to 1,198,702.24, 1,654,181.40 and 654,840.28 is: 903,664.46
Step by Step Solution
- Step 1: Write the proportion equation
1,198,702.24 : 1,654,181.40 = 654,840.28 : x - Step 2: Convert to fraction form
1,198,702.24/1,654,181.40 = 654,840.28/x - Step 3: Cross multiply
1,198,702.24x = 1,654,181.40 × 654,840.28 - Step 4: Simplify right side
1,198,702.24x = 1,083,224,611,146.79 - Step 5: Solve for x
x = 1,083,224,611,146.79/1,198,702.24 - Step 6: Final answer
x = 903,664.46
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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.