Finding the Fourth Proportional to 1,109,258.58, 1,659,509.99 and 840,161.90
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Solution
The fourth proportional to 1,109,258.58, 1,659,509.99 and 840,161.90 is: 1,256,927.01
Step by Step Solution
- Step 1: Write the proportion equation
1,109,258.58 : 1,659,509.99 = 840,161.90 : x - Step 2: Convert to fraction form
1,109,258.58/1,659,509.99 = 840,161.90/x - Step 3: Cross multiply
1,109,258.58x = 1,659,509.99 × 840,161.90 - Step 4: Simplify right side
1,109,258.58x = 1,394,257,072,516.56 - Step 5: Solve for x
x = 1,394,257,072,516.56/1,109,258.58 - Step 6: Final answer
x = 1,256,927.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.