Finding the Fourth Proportional to 1,171,626.14, 1,616,882.19 and 648,342.74
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Solution
The fourth proportional to 1,171,626.14, 1,616,882.19 and 648,342.74 is: 894,734.07
Step by Step Solution
- Step 1: Write the proportion equation
1,171,626.14 : 1,616,882.19 = 648,342.74 : x - Step 2: Convert to fraction form
1,171,626.14/1,616,882.19 = 648,342.74/x - Step 3: Cross multiply
1,171,626.14x = 1,616,882.19 × 648,342.74 - Step 4: Simplify right side
1,171,626.14x = 1,048,293,829,321.80 - Step 5: Solve for x
x = 1,048,293,829,321.80/1,171,626.14 - Step 6: Final answer
x = 894,734.07
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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.