Finding the Fourth Proportional to 1,303,554.40, 1,954,165.20 and 854,490.40
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Solution
The fourth proportional to 1,303,554.40, 1,954,165.20 and 854,490.40 is: 1,280,971.02
Step by Step Solution
- Step 1: Write the proportion equation
1,303,554.40 : 1,954,165.20 = 854,490.40 : x - Step 2: Convert to fraction form
1,303,554.40/1,954,165.20 = 854,490.40/x - Step 3: Cross multiply
1,303,554.40x = 1,954,165.20 × 854,490.40 - Step 4: Simplify right side
1,303,554.40x = 1,669,815,403,414.08 - Step 5: Solve for x
x = 1,669,815,403,414.08/1,303,554.40 - Step 6: Final answer
x = 1,280,971.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.