Finding the Fourth Proportional to 1,294,579.21, 1,940,521.56 and 725,125.45
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Solution
The fourth proportional to 1,294,579.21, 1,940,521.56 and 725,125.45 is: 1,086,933.54
Step by Step Solution
- Step 1: Write the proportion equation
1,294,579.21 : 1,940,521.56 = 725,125.45 : x - Step 2: Convert to fraction form
1,294,579.21/1,940,521.56 = 725,125.45/x - Step 3: Cross multiply
1,294,579.21x = 1,940,521.56 × 725,125.45 - Step 4: Simplify right side
1,294,579.21x = 1,407,121,569,429.70 - Step 5: Solve for x
x = 1,407,121,569,429.70/1,294,579.21 - Step 6: Final answer
x = 1,086,933.54
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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.