Finding the Fourth Proportional to 1,117,299.48, 1,675,964.68 and 318,580.94
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Solution
The fourth proportional to 1,117,299.48, 1,675,964.68 and 318,580.94 is: 477,875.82
Step by Step Solution
- Step 1: Write the proportion equation
1,117,299.48 : 1,675,964.68 = 318,580.94 : x - Step 2: Convert to fraction form
1,117,299.48/1,675,964.68 = 318,580.94/x - Step 3: Cross multiply
1,117,299.48x = 1,675,964.68 × 318,580.94 - Step 4: Simplify right side
1,117,299.48x = 533,930,403,161.20 - Step 5: Solve for x
x = 533,930,403,161.20/1,117,299.48 - Step 6: Final answer
x = 477,875.82
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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.