Finding the Fourth Proportional to 1,259,596.06, 1,889,199.33 and 460,690.78
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Solution
The fourth proportional to 1,259,596.06, 1,889,199.33 and 460,690.78 is: 690,964.94
Step by Step Solution
- Step 1: Write the proportion equation
1,259,596.06 : 1,889,199.33 = 460,690.78 : x - Step 2: Convert to fraction form
1,259,596.06/1,889,199.33 = 460,690.78/x - Step 3: Cross multiply
1,259,596.06x = 1,889,199.33 × 460,690.78 - Step 4: Simplify right side
1,259,596.06x = 870,336,712,913.18 - Step 5: Solve for x
x = 870,336,712,913.18/1,259,596.06 - Step 6: Final answer
x = 690,964.94
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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.