Finding the Fourth Proportional to 1,352,562.12, 1,866,535.62 and 748,950.12
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Solution
The fourth proportional to 1,352,562.12, 1,866,535.62 and 748,950.12 is: 1,033,551.11
Step by Step Solution
- Step 1: Write the proportion equation
1,352,562.12 : 1,866,535.62 = 748,950.12 : x - Step 2: Convert to fraction form
1,352,562.12/1,866,535.62 = 748,950.12/x - Step 3: Cross multiply
1,352,562.12x = 1,866,535.62 × 748,950.12 - Step 4: Simplify right side
1,352,562.12x = 1,397,942,076,583.27 - Step 5: Solve for x
x = 1,397,942,076,583.27/1,352,562.12 - Step 6: Final answer
x = 1,033,551.11
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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.