Finding the Fourth Proportional to 1,343,655.75, 1,854,244.94 and 740,043.75
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Solution
The fourth proportional to 1,343,655.75, 1,854,244.94 and 740,043.75 is: 1,021,260.38
Step by Step Solution
- Step 1: Write the proportion equation
1,343,655.75 : 1,854,244.94 = 740,043.75 : x - Step 2: Convert to fraction form
1,343,655.75/1,854,244.94 = 740,043.75/x - Step 3: Cross multiply
1,343,655.75x = 1,854,244.94 × 740,043.75 - Step 4: Simplify right side
1,343,655.75x = 1,372,222,375,115.91 - Step 5: Solve for x
x = 1,372,222,375,115.91/1,343,655.75 - Step 6: Final answer
x = 1,021,260.38
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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.