Finding the Fourth Proportional to 1,125,778.72, 1,688,314.92 and 327,115.48
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Solution
The fourth proportional to 1,125,778.72, 1,688,314.92 and 327,115.48 is: 490,570.60
Step by Step Solution
- Step 1: Write the proportion equation
1,125,778.72 : 1,688,314.92 = 327,115.48 : x - Step 2: Convert to fraction form
1,125,778.72/1,688,314.92 = 327,115.48/x - Step 3: Cross multiply
1,125,778.72x = 1,688,314.92 × 327,115.48 - Step 4: Simplify right side
1,125,778.72x = 552,273,945,446.96 - Step 5: Solve for x
x = 552,273,945,446.96/1,125,778.72 - Step 6: Final answer
x = 490,570.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.