Finding the Fourth Proportional to 1,079,181.64, 1,489,867.14 and 649,567
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Solution
The fourth proportional to 1,079,181.64, 1,489,867.14 and 649,567 is: 896,761.48
Step by Step Solution
- Step 1: Write the proportion equation
1,079,181.64 : 1,489,867.14 = 649,567 : x - Step 2: Convert to fraction form
1,079,181.64/1,489,867.14 = 649,567/x - Step 3: Cross multiply
1,079,181.64x = 1,489,867.14 × 649,567 - Step 4: Simplify right side
1,079,181.64x = 967,768,528,528.38 - Step 5: Solve for x
x = 967,768,528,528.38/1,079,181.64 - Step 6: Final answer
x = 896,761.48
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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.