Finding the Fourth Proportional to 1,345,438.66, 2,017,014.91 and 626,198.07
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Solution
The fourth proportional to 1,345,438.66, 2,017,014.91 and 626,198.07 is: 938,765.09
Step by Step Solution
- Step 1: Write the proportion equation
1,345,438.66 : 2,017,014.91 = 626,198.07 : x - Step 2: Convert to fraction form
1,345,438.66/2,017,014.91 = 626,198.07/x - Step 3: Cross multiply
1,345,438.66x = 2,017,014.91 × 626,198.07 - Step 4: Simplify right side
1,345,438.66x = 1,263,050,840,672.23 - Step 5: Solve for x
x = 1,263,050,840,672.23/1,345,438.66 - Step 6: Final answer
x = 938,765.09
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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.