Finding the Fourth Proportional to 1,201,181.49, 1,657,630.62 and 657,317.41
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Solution
The fourth proportional to 1,201,181.49, 1,657,630.62 and 657,317.41 is: 907,098.12
Step by Step Solution
- Step 1: Write the proportion equation
1,201,181.49 : 1,657,630.62 = 657,317.41 : x - Step 2: Convert to fraction form
1,201,181.49/1,657,630.62 = 657,317.41/x - Step 3: Cross multiply
1,201,181.49x = 1,657,630.62 × 657,317.41 - Step 4: Simplify right side
1,201,181.49x = 1,089,589,465,875.09 - Step 5: Solve for x
x = 1,089,589,465,875.09/1,201,181.49 - Step 6: Final answer
x = 907,098.12
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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.