Finding the Fourth Proportional to 1,142,327.68, 1,576,372.16 and 633,077.44
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Solution
The fourth proportional to 1,142,327.68, 1,576,372.16 and 633,077.44 is: 873,624.68
Step by Step Solution
- Step 1: Write the proportion equation
1,142,327.68 : 1,576,372.16 = 633,077.44 : x - Step 2: Convert to fraction form
1,142,327.68/1,576,372.16 = 633,077.44/x - Step 3: Cross multiply
1,142,327.68x = 1,576,372.16 × 633,077.44 - Step 4: Simplify right side
1,142,327.68x = 997,965,651,540.07 - Step 5: Solve for x
x = 997,965,651,540.07/1,142,327.68 - Step 6: Final answer
x = 873,624.68
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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.