Finding the Fourth Proportional to 1,281,331.24, 1,768,682.37 and 737,683.66
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Solution
The fourth proportional to 1,281,331.24, 1,768,682.37 and 737,683.66 is: 1,018,259.79
Step by Step Solution
- Step 1: Write the proportion equation
1,281,331.24 : 1,768,682.37 = 737,683.66 : x - Step 2: Convert to fraction form
1,281,331.24/1,768,682.37 = 737,683.66/x - Step 3: Cross multiply
1,281,331.24x = 1,768,682.37 × 737,683.66 - Step 4: Simplify right side
1,281,331.24x = 1,304,728,084,079.07 - Step 5: Solve for x
x = 1,304,728,084,079.07/1,281,331.24 - Step 6: Final answer
x = 1,018,259.79
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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.