Finding the Fourth Proportional to 1,116,578.95, 1,674,869.35 and 275,130.79
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Solution
The fourth proportional to 1,116,578.95, 1,674,869.35 and 275,130.79 is: 412,696.42
Step by Step Solution
- Step 1: Write the proportion equation
1,116,578.95 : 1,674,869.35 = 275,130.79 : x - Step 2: Convert to fraction form
1,116,578.95/1,674,869.35 = 275,130.79/x - Step 3: Cross multiply
1,116,578.95x = 1,674,869.35 × 275,130.79 - Step 4: Simplify right side
1,116,578.95x = 460,808,130,911.63 - Step 5: Solve for x
x = 460,808,130,911.63/1,116,578.95 - Step 6: Final answer
x = 412,696.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.