Finding the Fourth Proportional to 1,201,277.60, 1,657,691.64 and 657,304.88
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Solution
The fourth proportional to 1,201,277.60, 1,657,691.64 and 657,304.88 is: 907,041.64
Step by Step Solution
- Step 1: Write the proportion equation
1,201,277.60 : 1,657,691.64 = 657,304.88 : x - Step 2: Convert to fraction form
1,201,277.60/1,657,691.64 = 657,304.88/x - Step 3: Cross multiply
1,201,277.60x = 1,657,691.64 × 657,304.88 - Step 4: Simplify right side
1,201,277.60x = 1,089,608,804,507.20 - Step 5: Solve for x
x = 1,089,608,804,507.20/1,201,277.60 - Step 6: Final answer
x = 907,041.64
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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.