Finding the Fourth Proportional to 945,534.36, 1,416,216.42 and 781,566.36
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Solution
The fourth proportional to 945,534.36, 1,416,216.42 and 781,566.36 is: 1,170,626.01
Step by Step Solution
- Step 1: Write the proportion equation
945,534.36 : 1,416,216.42 = 781,566.36 : x - Step 2: Convert to fraction form
945,534.36/1,416,216.42 = 781,566.36/x - Step 3: Cross multiply
945,534.36x = 1,416,216.42 × 781,566.36 - Step 4: Simplify right side
945,534.36x = 1,106,867,112,351.63 - Step 5: Solve for x
x = 1,106,867,112,351.63/945,534.36 - Step 6: Final answer
x = 1,170,626.01
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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.