Finding the Fourth Proportional to 1,171,702.42, 1,616,848.74 and 681,762.58
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Solution
The fourth proportional to 1,171,702.42, 1,616,848.74 and 681,762.58 is: 940,773.83
Step by Step Solution
- Step 1: Write the proportion equation
1,171,702.42 : 1,616,848.74 = 681,762.58 : x - Step 2: Convert to fraction form
1,171,702.42/1,616,848.74 = 681,762.58/x - Step 3: Cross multiply
1,171,702.42x = 1,616,848.74 × 681,762.58 - Step 4: Simplify right side
1,171,702.42x = 1,102,306,968,452.15 - Step 5: Solve for x
x = 1,102,306,968,452.15/1,171,702.42 - Step 6: Final answer
x = 940,773.83
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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.