Finding the Fourth Proportional to 1,369,524.16, 1,890,202.80 and 917,600.32
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Solution
The fourth proportional to 1,369,524.16, 1,890,202.80 and 917,600.32 is: 1,266,462.28
Step by Step Solution
- Step 1: Write the proportion equation
1,369,524.16 : 1,890,202.80 = 917,600.32 : x - Step 2: Convert to fraction form
1,369,524.16/1,890,202.80 = 917,600.32/x - Step 3: Cross multiply
1,369,524.16x = 1,890,202.80 × 917,600.32 - Step 4: Simplify right side
1,369,524.16x = 1,734,450,694,144.90 - Step 5: Solve for x
x = 1,734,450,694,144.90/1,369,524.16 - Step 6: Final answer
x = 1,266,462.28
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1.5x scale
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.