Finding the Fourth Proportional to 1,201,147.56, 1,657,583.55 and 657,283.38
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Solution
The fourth proportional to 1,201,147.56, 1,657,583.55 and 657,283.38 is: 907,051.02
Step by Step Solution
- Step 1: Write the proportion equation
1,201,147.56 : 1,657,583.55 = 657,283.38 : x - Step 2: Convert to fraction form
1,201,147.56/1,657,583.55 = 657,283.38/x - Step 3: Cross multiply
1,201,147.56x = 1,657,583.55 × 657,283.38 - Step 4: Simplify right side
1,201,147.56x = 1,089,502,118,376.40 - Step 5: Solve for x
x = 1,089,502,118,376.40/1,201,147.56 - Step 6: Final answer
x = 907,051.02
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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.