Finding the Fourth Proportional to 1,103,086.08, 1,654,220.48 and 392,925.44
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Solution
The fourth proportional to 1,103,086.08, 1,654,220.48 and 392,925.44 is: 589,242.60
Step by Step Solution
- Step 1: Write the proportion equation
1,103,086.08 : 1,654,220.48 = 392,925.44 : x - Step 2: Convert to fraction form
1,103,086.08/1,654,220.48 = 392,925.44/x - Step 3: Cross multiply
1,103,086.08x = 1,654,220.48 × 392,925.44 - Step 4: Simplify right side
1,103,086.08x = 649,985,309,961.01 - Step 5: Solve for x
x = 649,985,309,961.01/1,103,086.08 - Step 6: Final answer
x = 589,242.60
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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.