Finding the Fourth Proportional to 1,077,795.36, 1,617,694.20 and 545,693.40
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Solution
The fourth proportional to 1,077,795.36, 1,617,694.20 and 545,693.40 is: 819,046.99
Step by Step Solution
- Step 1: Write the proportion equation
1,077,795.36 : 1,617,694.20 = 545,693.40 : x - Step 2: Convert to fraction form
1,077,795.36/1,617,694.20 = 545,693.40/x - Step 3: Cross multiply
1,077,795.36x = 1,617,694.20 × 545,693.40 - Step 4: Simplify right side
1,077,795.36x = 882,765,048,158.28 - Step 5: Solve for x
x = 882,765,048,158.28/1,077,795.36 - Step 6: Final answer
x = 819,046.99
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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.