Finding the Fourth Proportional to 1,153,206.44, 1,729,974.75 and 354,555.05
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Solution
The fourth proportional to 1,153,206.44, 1,729,974.75 and 354,555.05 is: 531,883.32
Step by Step Solution
- Step 1: Write the proportion equation
1,153,206.44 : 1,729,974.75 = 354,555.05 : x - Step 2: Convert to fraction form
1,153,206.44/1,729,974.75 = 354,555.05/x - Step 3: Cross multiply
1,153,206.44x = 1,729,974.75 × 354,555.05 - Step 4: Simplify right side
1,153,206.44x = 613,371,275,335.11 - Step 5: Solve for x
x = 613,371,275,335.11/1,153,206.44 - Step 6: Final answer
x = 531,883.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.