Finding the Fourth Proportional to 1,258,968.66, 1,737,322.40 and 715,102.76
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Solution
The fourth proportional to 1,258,968.66, 1,737,322.40 and 715,102.76 is: 986,810.94
Step by Step Solution
- Step 1: Write the proportion equation
1,258,968.66 : 1,737,322.40 = 715,102.76 : x - Step 2: Convert to fraction form
1,258,968.66/1,737,322.40 = 715,102.76/x - Step 3: Cross multiply
1,258,968.66x = 1,737,322.40 × 715,102.76 - Step 4: Simplify right side
1,258,968.66x = 1,242,364,043,249.82 - Step 5: Solve for x
x = 1,242,364,043,249.82/1,258,968.66 - Step 6: Final answer
x = 986,810.94
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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.