Finding the Fourth Proportional to 1,258,962.21, 1,737,313.53 and 715,096.32
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Solution
The fourth proportional to 1,258,962.21, 1,737,313.53 and 715,096.32 is: 986,802.07
Step by Step Solution
- Step 1: Write the proportion equation
1,258,962.21 : 1,737,313.53 = 715,096.32 : x - Step 2: Convert to fraction form
1,258,962.21/1,737,313.53 = 715,096.32/x - Step 3: Cross multiply
1,258,962.21x = 1,737,313.53 × 715,096.32 - Step 4: Simplify right side
1,258,962.21x = 1,242,346,511,989.21 - Step 5: Solve for x
x = 1,242,346,511,989.21/1,258,962.21 - Step 6: Final answer
x = 986,802.07
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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.