Finding the Fourth Proportional to 1,097,201.70, 1,645,802.55 and 920,054.70
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Solution
The fourth proportional to 1,097,201.70, 1,645,802.55 and 920,054.70 is: 1,380,082.05
Step by Step Solution
- Step 1: Write the proportion equation
1,097,201.70 : 1,645,802.55 = 920,054.70 : x - Step 2: Convert to fraction form
1,097,201.70/1,645,802.55 = 920,054.70/x - Step 3: Cross multiply
1,097,201.70x = 1,645,802.55 × 920,054.70 - Step 4: Simplify right side
1,097,201.70x = 1,514,228,371,399.49 - Step 5: Solve for x
x = 1,514,228,371,399.49/1,097,201.70 - Step 6: Final answer
x = 1,380,082.05
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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.