Finding the Fourth Proportional to 1,022,559.36, 1,531,470.91 and 509,289.60
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Solution
The fourth proportional to 1,022,559.36, 1,531,470.91 and 509,289.60 is: 762,754.94
Step by Step Solution
- Step 1: Write the proportion equation
1,022,559.36 : 1,531,470.91 = 509,289.60 : x - Step 2: Convert to fraction form
1,022,559.36/1,531,470.91 = 509,289.60/x - Step 3: Cross multiply
1,022,559.36x = 1,531,470.91 × 509,289.60 - Step 4: Simplify right side
1,022,559.36x = 779,962,207,165.54 - Step 5: Solve for x
x = 779,962,207,165.54/1,022,559.36 - Step 6: Final answer
x = 762,754.94
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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.