Finding the Fourth Proportional to 1,310,518.96, 1,966,251.48 and 457,716.13
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Solution
The fourth proportional to 1,310,518.96, 1,966,251.48 and 457,716.13 is: 686,739.41
Step by Step Solution
- Step 1: Write the proportion equation
1,310,518.96 : 1,966,251.48 = 457,716.13 : x - Step 2: Convert to fraction form
1,310,518.96/1,966,251.48 = 457,716.13/x - Step 3: Cross multiply
1,310,518.96x = 1,966,251.48 × 457,716.13 - Step 4: Simplify right side
1,310,518.96x = 899,985,018,032.37 - Step 5: Solve for x
x = 899,985,018,032.37/1,310,518.96 - Step 6: Final answer
x = 686,739.41
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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.