Finding the Fourth Proportional to 1,178,584.21, 1,626,403.08 and 720,466.03
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Solution
The fourth proportional to 1,178,584.21, 1,626,403.08 and 720,466.03 is: 994,216.76
Step by Step Solution
- Step 1: Write the proportion equation
1,178,584.21 : 1,626,403.08 = 720,466.03 : x - Step 2: Convert to fraction form
1,178,584.21/1,626,403.08 = 720,466.03/x - Step 3: Cross multiply
1,178,584.21x = 1,626,403.08 × 720,466.03 - Step 4: Simplify right side
1,178,584.21x = 1,171,768,170,227.37 - Step 5: Solve for x
x = 1,171,768,170,227.37/1,178,584.21 - Step 6: Final answer
x = 994,216.76
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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.