Finding the Fourth Proportional to 1,126,239.23, 1,689,344.75 and 273,317.95
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Solution
The fourth proportional to 1,126,239.23, 1,689,344.75 and 273,317.95 is: 409,973.50
Step by Step Solution
- Step 1: Write the proportion equation
1,126,239.23 : 1,689,344.75 = 273,317.95 : x - Step 2: Convert to fraction form
1,126,239.23/1,689,344.75 = 273,317.95/x - Step 3: Cross multiply
1,126,239.23x = 1,689,344.75 × 273,317.95 - Step 4: Simplify right side
1,126,239.23x = 461,728,243,913.26 - Step 5: Solve for x
x = 461,728,243,913.26/1,126,239.23 - Step 6: Final answer
x = 409,973.50
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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.