Finding the Fourth Proportional to 1,294,535.36, 1,940,029.68 and 821,552.60
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Solution
The fourth proportional to 1,294,535.36, 1,940,029.68 and 821,552.60 is: 1,231,203.47
Step by Step Solution
- Step 1: Write the proportion equation
1,294,535.36 : 1,940,029.68 = 821,552.60 : x - Step 2: Convert to fraction form
1,294,535.36/1,940,029.68 = 821,552.60/x - Step 3: Cross multiply
1,294,535.36x = 1,940,029.68 × 821,552.60 - Step 4: Simplify right side
1,294,535.36x = 1,593,836,427,681.17 - Step 5: Solve for x
x = 1,593,836,427,681.17/1,294,535.36 - Step 6: Final answer
x = 1,231,203.47
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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.