Finding the Fourth Proportional to 1,017,076.08, 1,403,837.28 and 634,872.72
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Solution
The fourth proportional to 1,017,076.08, 1,403,837.28 and 634,872.72 is: 876,294.32
Step by Step Solution
- Step 1: Write the proportion equation
1,017,076.08 : 1,403,837.28 = 634,872.72 : x - Step 2: Convert to fraction form
1,017,076.08/1,403,837.28 = 634,872.72/x - Step 3: Cross multiply
1,017,076.08x = 1,403,837.28 × 634,872.72 - Step 4: Simplify right side
1,017,076.08x = 891,257,992,391.00 - Step 5: Solve for x
x = 891,257,992,391.00/1,017,076.08 - Step 6: Final answer
x = 876,294.32
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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.