Finding the Fourth Proportional to 1,125,405.75, 1,688,424.73 and 451,959.94
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Solution
The fourth proportional to 1,125,405.75, 1,688,424.73 and 451,959.94 is: 678,066.86
Step by Step Solution
- Step 1: Write the proportion equation
1,125,405.75 : 1,688,424.73 = 451,959.94 : x - Step 2: Convert to fraction form
1,125,405.75/1,688,424.73 = 451,959.94/x - Step 3: Cross multiply
1,125,405.75x = 1,688,424.73 × 451,959.94 - Step 4: Simplify right side
1,125,405.75x = 763,100,339,665.32 - Step 5: Solve for x
x = 763,100,339,665.32/1,125,405.75 - Step 6: Final answer
x = 678,066.86
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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.