Finding the Fourth Proportional to 1,229,029.76, 1,695,099.62 and 799,447.08
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Solution
The fourth proportional to 1,229,029.76, 1,695,099.62 and 799,447.08 is: 1,102,611.58
Step by Step Solution
- Step 1: Write the proportion equation
1,229,029.76 : 1,695,099.62 = 799,447.08 : x - Step 2: Convert to fraction form
1,229,029.76/1,695,099.62 = 799,447.08/x - Step 3: Cross multiply
1,229,029.76x = 1,695,099.62 × 799,447.08 - Step 4: Simplify right side
1,229,029.76x = 1,355,142,441,518.11 - Step 5: Solve for x
x = 1,355,142,441,518.11/1,229,029.76 - Step 6: Final answer
x = 1,102,611.58
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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.