Finding the Fourth Proportional to 1,018,828.30, 1,528,294.70 and 260,676.19
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Solution
The fourth proportional to 1,018,828.30, 1,528,294.70 and 260,676.19 is: 391,027.65
Step by Step Solution
- Step 1: Write the proportion equation
1,018,828.30 : 1,528,294.70 = 260,676.19 : x - Step 2: Convert to fraction form
1,018,828.30/1,528,294.70 = 260,676.19/x - Step 3: Cross multiply
1,018,828.30x = 1,528,294.70 × 260,676.19 - Step 4: Simplify right side
1,018,828.30x = 398,390,039,593.19 - Step 5: Solve for x
x = 398,390,039,593.19/1,018,828.30 - Step 6: Final answer
x = 391,027.65
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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.