Finding the Fourth Proportional to 1,157,449.50, 1,597,281.12 and 648,163.62
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Solution
The fourth proportional to 1,157,449.50, 1,597,281.12 and 648,163.62 is: 894,466.25
Step by Step Solution
- Step 1: Write the proportion equation
1,157,449.50 : 1,597,281.12 = 648,163.62 : x - Step 2: Convert to fraction form
1,157,449.50/1,597,281.12 = 648,163.62/x - Step 3: Cross multiply
1,157,449.50x = 1,597,281.12 × 648,163.62 - Step 4: Simplify right side
1,157,449.50x = 1,035,299,512,896.85 - Step 5: Solve for x
x = 1,035,299,512,896.85/1,157,449.50 - Step 6: Final answer
x = 894,466.25
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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.