Finding the Fourth Proportional to 1,127,491.62, 1,691,204.64 and 417,503.94
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Solution
The fourth proportional to 1,127,491.62, 1,691,204.64 and 417,503.94 is: 626,243.77
Step by Step Solution
- Step 1: Write the proportion equation
1,127,491.62 : 1,691,204.64 = 417,503.94 : x - Step 2: Convert to fraction form
1,127,491.62/1,691,204.64 = 417,503.94/x - Step 3: Cross multiply
1,127,491.62x = 1,691,204.64 × 417,503.94 - Step 4: Simplify right side
1,127,491.62x = 706,084,600,546.28 - Step 5: Solve for x
x = 706,084,600,546.28/1,127,491.62 - Step 6: Final answer
x = 626,243.77
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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.