Finding the Fourth Proportional to 1,201,149.06, 1,657,585.62 and 657,284.88
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Solution
The fourth proportional to 1,201,149.06, 1,657,585.62 and 657,284.88 is: 907,053.09
Step by Step Solution
- Step 1: Write the proportion equation
1,201,149.06 : 1,657,585.62 = 657,284.88 : x - Step 2: Convert to fraction form
1,201,149.06/1,657,585.62 = 657,284.88/x - Step 3: Cross multiply
1,201,149.06x = 1,657,585.62 × 657,284.88 - Step 4: Simplify right side
1,201,149.06x = 1,089,505,965,331.43 - Step 5: Solve for x
x = 1,089,505,965,331.43/1,201,149.06 - Step 6: Final answer
x = 907,053.09
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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.