Finding the Fourth Proportional to 1,334,311.47, 1,841,350.69 and 722,464.65
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Solution
The fourth proportional to 1,334,311.47, 1,841,350.69 and 722,464.65 is: 997,001.68
Step by Step Solution
- Step 1: Write the proportion equation
1,334,311.47 : 1,841,350.69 = 722,464.65 : x - Step 2: Convert to fraction form
1,334,311.47/1,841,350.69 = 722,464.65/x - Step 3: Cross multiply
1,334,311.47x = 1,841,350.69 × 722,464.65 - Step 4: Simplify right side
1,334,311.47x = 1,330,310,781,778.11 - Step 5: Solve for x
x = 1,330,310,781,778.11/1,334,311.47 - Step 6: Final answer
x = 997,001.68
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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.