Finding the Fourth Proportional to 1,343,727.42, 1,854,343.77 and 740,115.42
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Solution
The fourth proportional to 1,343,727.42, 1,854,343.77 and 740,115.42 is: 1,021,359.24
Step by Step Solution
- Step 1: Write the proportion equation
1,343,727.42 : 1,854,343.77 = 740,115.42 : x - Step 2: Convert to fraction form
1,343,727.42/1,854,343.77 = 740,115.42/x - Step 3: Cross multiply
1,343,727.42x = 1,854,343.77 × 740,115.42 - Step 4: Simplify right side
1,343,727.42x = 1,372,428,418,157.93 - Step 5: Solve for x
x = 1,372,428,418,157.93/1,343,727.42 - Step 6: Final answer
x = 1,021,359.24
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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.