Finding the Fourth Proportional to 1,201,183.65, 1,657,633.61 and 657,319.56
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Solution
The fourth proportional to 1,201,183.65, 1,657,633.61 and 657,319.56 is: 907,101.08
Step by Step Solution
- Step 1: Write the proportion equation
1,201,183.65 : 1,657,633.61 = 657,319.56 : x - Step 2: Convert to fraction form
1,201,183.65/1,657,633.61 = 657,319.56/x - Step 3: Cross multiply
1,201,183.65x = 1,657,633.61 × 657,319.56 - Step 4: Simplify right side
1,201,183.65x = 1,089,594,991,879.81 - Step 5: Solve for x
x = 1,089,594,991,879.81/1,201,183.65 - Step 6: Final answer
x = 907,101.08
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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.