Finding the Fourth Proportional to 1,162,283.64, 1,603,877.94 and 678,985.80
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Solution
The fourth proportional to 1,162,283.64, 1,603,877.94 and 678,985.80 is: 936,957.48
Step by Step Solution
- Step 1: Write the proportion equation
1,162,283.64 : 1,603,877.94 = 678,985.80 : x - Step 2: Convert to fraction form
1,162,283.64/1,603,877.94 = 678,985.80/x - Step 3: Cross multiply
1,162,283.64x = 1,603,877.94 × 678,985.80 - Step 4: Simplify right side
1,162,283.64x = 1,089,010,346,193.25 - Step 5: Solve for x
x = 1,089,010,346,193.25/1,162,283.64 - Step 6: Final answer
x = 936,957.48
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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.