Finding the Fourth Proportional to 1,018,197.49, 1,405,074.04 and 565,517.65
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Solution
The fourth proportional to 1,018,197.49, 1,405,074.04 and 565,517.65 is: 780,392.98
Step by Step Solution
- Step 1: Write the proportion equation
1,018,197.49 : 1,405,074.04 = 565,517.65 : x - Step 2: Convert to fraction form
1,018,197.49/1,405,074.04 = 565,517.65/x - Step 3: Cross multiply
1,018,197.49x = 1,405,074.04 × 565,517.65 - Step 4: Simplify right side
1,018,197.49x = 794,594,169,176.81 - Step 5: Solve for x
x = 794,594,169,176.81/1,018,197.49 - Step 6: Final answer
x = 780,392.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.