Finding the Fourth Proportional to 1,193,203.25, 1,789,972.97 and 383,316.08
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Solution
The fourth proportional to 1,193,203.25, 1,789,972.97 and 383,316.08 is: 575,028.11
Step by Step Solution
- Step 1: Write the proportion equation
1,193,203.25 : 1,789,972.97 = 383,316.08 : x - Step 2: Convert to fraction form
1,193,203.25/1,789,972.97 = 383,316.08/x - Step 3: Cross multiply
1,193,203.25x = 1,789,972.97 × 383,316.08 - Step 4: Simplify right side
1,193,203.25x = 686,125,411,299.91 - Step 5: Solve for x
x = 686,125,411,299.91/1,193,203.25 - Step 6: Final answer
x = 575,028.11
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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.