Finding the Fourth Proportional to 1,221,362.01, 1,685,506.59 and 677,480.09
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Solution
The fourth proportional to 1,221,362.01, 1,685,506.59 and 677,480.09 is: 934,937.50
Step by Step Solution
- Step 1: Write the proportion equation
1,221,362.01 : 1,685,506.59 = 677,480.09 : x - Step 2: Convert to fraction form
1,221,362.01/1,685,506.59 = 677,480.09/x - Step 3: Cross multiply
1,221,362.01x = 1,685,506.59 × 677,480.09 - Step 4: Simplify right side
1,221,362.01x = 1,141,897,147,861.26 - Step 5: Solve for x
x = 1,141,897,147,861.26/1,221,362.01 - Step 6: Final answer
x = 934,937.50
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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.