Finding the Fourth Proportional to 1,092,810.70, 1,639,216.05 and 620,418.70
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Solution
The fourth proportional to 1,092,810.70, 1,639,216.05 and 620,418.70 is: 930,628.05
Step by Step Solution
- Step 1: Write the proportion equation
1,092,810.70 : 1,639,216.05 = 620,418.70 : x - Step 2: Convert to fraction form
1,092,810.70/1,639,216.05 = 620,418.70/x - Step 3: Cross multiply
1,092,810.70x = 1,639,216.05 × 620,418.70 - Step 4: Simplify right side
1,092,810.70x = 1,017,000,290,760.14 - Step 5: Solve for x
x = 1,017,000,290,760.14/1,092,810.70 - Step 6: Final answer
x = 930,628.05
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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.