Finding the Fourth Proportional to 1,734,278.80, 2,601,418.20 and 736,877.20
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Solution
The fourth proportional to 1,734,278.80, 2,601,418.20 and 736,877.20 is: 1,105,315.80
Step by Step Solution
- Step 1: Write the proportion equation
1,734,278.80 : 2,601,418.20 = 736,877.20 : x - Step 2: Convert to fraction form
1,734,278.80/2,601,418.20 = 736,877.20/x - Step 3: Cross multiply
1,734,278.80x = 2,601,418.20 × 736,877.20 - Step 4: Simplify right side
1,734,278.80x = 1,916,925,759,245.04 - Step 5: Solve for x
x = 1,916,925,759,245.04/1,734,278.80 - Step 6: Final answer
x = 1,105,315.80
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1.5x scale
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.