Finding the Fourth Proportional to 1,038,209.92, 1,555,295.04 and 682,142.08
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Solution
The fourth proportional to 1,038,209.92, 1,555,295.04 and 682,142.08 is: 1,021,886.01
Step by Step Solution
- Step 1: Write the proportion equation
1,038,209.92 : 1,555,295.04 = 682,142.08 : x - Step 2: Convert to fraction form
1,038,209.92/1,555,295.04 = 682,142.08/x - Step 3: Cross multiply
1,038,209.92x = 1,555,295.04 × 682,142.08 - Step 4: Simplify right side
1,038,209.92x = 1,060,932,193,599.28 - Step 5: Solve for x
x = 1,060,932,193,599.28/1,038,209.92 - Step 6: Final answer
x = 1,021,886.01
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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.