Finding the Fourth Proportional to 1,122,543.96, 1,683,830.34 and 374,589.96
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Solution
The fourth proportional to 1,122,543.96, 1,683,830.34 and 374,589.96 is: 561,889.75
Step by Step Solution
- Step 1: Write the proportion equation
1,122,543.96 : 1,683,830.34 = 374,589.96 : x - Step 2: Convert to fraction form
1,122,543.96/1,683,830.34 = 374,589.96/x - Step 3: Cross multiply
1,122,543.96x = 1,683,830.34 × 374,589.96 - Step 4: Simplify right side
1,122,543.96x = 630,745,939,707.39 - Step 5: Solve for x
x = 630,745,939,707.39/1,122,543.96 - Step 6: Final answer
x = 561,889.75
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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.