Finding the Fourth Proportional to 1,306,472.06, 1,958,945.25 and 506,819.18
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Solution
The fourth proportional to 1,306,472.06, 1,958,945.25 and 506,819.18 is: 759,932.84
Step by Step Solution
- Step 1: Write the proportion equation
1,306,472.06 : 1,958,945.25 = 506,819.18 : x - Step 2: Convert to fraction form
1,306,472.06/1,958,945.25 = 506,819.18/x - Step 3: Cross multiply
1,306,472.06x = 1,958,945.25 × 506,819.18 - Step 4: Simplify right side
1,306,472.06x = 992,831,025,269.90 - Step 5: Solve for x
x = 992,831,025,269.90/1,306,472.06 - Step 6: Final answer
x = 759,932.84
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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.