Finding the Fourth Proportional to 1,230,463.71, 1,845,684.05 and 389,015.55
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Solution
The fourth proportional to 1,230,463.71, 1,845,684.05 and 389,015.55 is: 583,519.68
Step by Step Solution
- Step 1: Write the proportion equation
1,230,463.71 : 1,845,684.05 = 389,015.55 : x - Step 2: Convert to fraction form
1,230,463.71/1,845,684.05 = 389,015.55/x - Step 3: Cross multiply
1,230,463.71x = 1,845,684.05 × 389,015.55 - Step 4: Simplify right side
1,230,463.71x = 717,999,793,891.90 - Step 5: Solve for x
x = 717,999,793,891.90/1,230,463.71 - Step 6: Final answer
x = 583,519.68
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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.