Finding the Fourth Proportional to 1,122,765.96, 1,683,945.72 and 323,851.08
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Solution
The fourth proportional to 1,122,765.96, 1,683,945.72 and 323,851.08 is: 485,718.00
Step by Step Solution
- Step 1: Write the proportion equation
1,122,765.96 : 1,683,945.72 = 323,851.08 : x - Step 2: Convert to fraction form
1,122,765.96/1,683,945.72 = 323,851.08/x - Step 3: Cross multiply
1,122,765.96x = 1,683,945.72 × 323,851.08 - Step 4: Simplify right side
1,122,765.96x = 545,347,640,083.38 - Step 5: Solve for x
x = 545,347,640,083.38/1,122,765.96 - Step 6: Final answer
x = 485,718.00
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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.