Finding the Fourth Proportional to 1,243,695.40, 1,866,464.70 and 496,277.80
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Solution
The fourth proportional to 1,243,695.40, 1,866,464.70 and 496,277.80 is: 744,784.45
Step by Step Solution
- Step 1: Write the proportion equation
1,243,695.40 : 1,866,464.70 = 496,277.80 : x - Step 2: Convert to fraction form
1,243,695.40/1,866,464.70 = 496,277.80/x - Step 3: Cross multiply
1,243,695.40x = 1,866,464.70 × 496,277.80 - Step 4: Simplify right side
1,243,695.40x = 926,284,995,093.66 - Step 5: Solve for x
x = 926,284,995,093.66/1,243,695.40 - Step 6: Final answer
x = 744,784.45
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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.