Finding the Fourth Proportional to 1,281,491.68, 1,923,028.08 and 650,858.08
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Solution
The fourth proportional to 1,281,491.68, 1,923,028.08 and 650,858.08 is: 976,688.64
Step by Step Solution
- Step 1: Write the proportion equation
1,281,491.68 : 1,923,028.08 = 650,858.08 : x - Step 2: Convert to fraction form
1,281,491.68/1,923,028.08 = 650,858.08/x - Step 3: Cross multiply
1,281,491.68x = 1,923,028.08 × 650,858.08 - Step 4: Simplify right side
1,281,491.68x = 1,251,618,363,934.89 - Step 5: Solve for x
x = 1,251,618,363,934.89/1,281,491.68 - Step 6: Final answer
x = 976,688.64
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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.