Finding the Fourth Proportional to 1,221,366.26, 1,685,512.50 and 677,484.38
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Solution
The fourth proportional to 1,221,366.26, 1,685,512.50 and 677,484.38 is: 934,943.46
Step by Step Solution
- Step 1: Write the proportion equation
1,221,366.26 : 1,685,512.50 = 677,484.38 : x - Step 2: Convert to fraction form
1,221,366.26/1,685,512.50 = 677,484.38/x - Step 3: Cross multiply
1,221,366.26x = 1,685,512.50 × 677,484.38 - Step 4: Simplify right side
1,221,366.26x = 1,141,908,391,044.75 - Step 5: Solve for x
x = 1,141,908,391,044.75/1,221,366.26 - Step 6: Final answer
x = 934,943.46
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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.