Finding the Fourth Proportional to 1,190,470.36, 1,785,695.82 and 480,487.54
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Solution
The fourth proportional to 1,190,470.36, 1,785,695.82 and 480,487.54 is: 720,727.39
Step by Step Solution
- Step 1: Write the proportion equation
1,190,470.36 : 1,785,695.82 = 480,487.54 : x - Step 2: Convert to fraction form
1,190,470.36/1,785,695.82 = 480,487.54/x - Step 3: Cross multiply
1,190,470.36x = 1,785,695.82 × 480,487.54 - Step 4: Simplify right side
1,190,470.36x = 858,004,591,740.08 - Step 5: Solve for x
x = 858,004,591,740.08/1,190,470.36 - Step 6: Final answer
x = 720,727.39
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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.