Finding the Fourth Proportional to 1,230,695.19, 1,846,259.46 and 420,889.23
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Solution
The fourth proportional to 1,230,695.19, 1,846,259.46 and 420,889.23 is: 631,407.95
Step by Step Solution
- Step 1: Write the proportion equation
1,230,695.19 : 1,846,259.46 = 420,889.23 : x - Step 2: Convert to fraction form
1,230,695.19/1,846,259.46 = 420,889.23/x - Step 3: Cross multiply
1,230,695.19x = 1,846,259.46 × 420,889.23 - Step 4: Simplify right side
1,230,695.19x = 777,070,722,499.62 - Step 5: Solve for x
x = 777,070,722,499.62/1,230,695.19 - Step 6: Final answer
x = 631,407.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.