Finding the Fourth Proportional to 1,193,439.84, 1,790,422.80 and 519,629.28
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Solution
The fourth proportional to 1,193,439.84, 1,790,422.80 and 519,629.28 is: 779,558.45
Step by Step Solution
- Step 1: Write the proportion equation
1,193,439.84 : 1,790,422.80 = 519,629.28 : x - Step 2: Convert to fraction form
1,193,439.84/1,790,422.80 = 519,629.28/x - Step 3: Cross multiply
1,193,439.84x = 1,790,422.80 × 519,629.28 - Step 4: Simplify right side
1,193,439.84x = 930,356,110,459.58 - Step 5: Solve for x
x = 930,356,110,459.58/1,193,439.84 - Step 6: Final answer
x = 779,558.45
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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.