Finding the Fourth Proportional to 1,166,640.12, 1,749,697.26 and 418,686.12
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Solution
The fourth proportional to 1,166,640.12, 1,749,697.26 and 418,686.12 is: 627,934.82
Step by Step Solution
- Step 1: Write the proportion equation
1,166,640.12 : 1,749,697.26 = 418,686.12 : x - Step 2: Convert to fraction form
1,166,640.12/1,749,697.26 = 418,686.12/x - Step 3: Cross multiply
1,166,640.12x = 1,749,697.26 × 418,686.12 - Step 4: Simplify right side
1,166,640.12x = 732,573,956,964.03 - Step 5: Solve for x
x = 732,573,956,964.03/1,166,640.12 - Step 6: Final answer
x = 627,934.82
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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.