Finding the Fourth Proportional to 1,145,519.92, 1,580,794.68 and 636,204.88
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Solution
The fourth proportional to 1,145,519.92, 1,580,794.68 and 636,204.88 is: 877,950.07
Step by Step Solution
- Step 1: Write the proportion equation
1,145,519.92 : 1,580,794.68 = 636,204.88 : x - Step 2: Convert to fraction form
1,145,519.92/1,580,794.68 = 636,204.88/x - Step 3: Cross multiply
1,145,519.92x = 1,580,794.68 × 636,204.88 - Step 4: Simplify right side
1,145,519.92x = 1,005,709,289,694.04 - Step 5: Solve for x
x = 1,005,709,289,694.04/1,145,519.92 - Step 6: Final answer
x = 877,950.07
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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.