Finding the Fourth Proportional to 1,124,359.20, 1,686,539.48 and 282,910.96
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Solution
The fourth proportional to 1,124,359.20, 1,686,539.48 and 282,910.96 is: 424,366.61
Step by Step Solution
- Step 1: Write the proportion equation
1,124,359.20 : 1,686,539.48 = 282,910.96 : x - Step 2: Convert to fraction form
1,124,359.20/1,686,539.48 = 282,910.96/x - Step 3: Cross multiply
1,124,359.20x = 1,686,539.48 × 282,910.96 - Step 4: Simplify right side
1,124,359.20x = 477,140,503,364.70 - Step 5: Solve for x
x = 477,140,503,364.70/1,124,359.20 - Step 6: Final answer
x = 424,366.61
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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.