Finding the Fourth Proportional to 1,177,466.13, 1,624,883.58 and 661,224.78
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Solution
The fourth proportional to 1,177,466.13, 1,624,883.58 and 661,224.78 is: 912,479.15
Step by Step Solution
- Step 1: Write the proportion equation
1,177,466.13 : 1,624,883.58 = 661,224.78 : x - Step 2: Convert to fraction form
1,177,466.13/1,624,883.58 = 661,224.78/x - Step 3: Cross multiply
1,177,466.13x = 1,624,883.58 × 661,224.78 - Step 4: Simplify right side
1,177,466.13x = 1,074,413,287,711.11 - Step 5: Solve for x
x = 1,074,413,287,711.11/1,177,466.13 - Step 6: Final answer
x = 912,479.15
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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.