Finding the Fourth Proportional to 1,129,828.99, 1,558,513.15 and 676,857.55
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Solution
The fourth proportional to 1,129,828.99, 1,558,513.15 and 676,857.55 is: 933,673.50
Step by Step Solution
- Step 1: Write the proportion equation
1,129,828.99 : 1,558,513.15 = 676,857.55 : x - Step 2: Convert to fraction form
1,129,828.99/1,558,513.15 = 676,857.55/x - Step 3: Cross multiply
1,129,828.99x = 1,558,513.15 × 676,857.55 - Step 4: Simplify right side
1,129,828.99x = 1,054,891,392,351.78 - Step 5: Solve for x
x = 1,054,891,392,351.78/1,129,828.99 - Step 6: Final answer
x = 933,673.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.