Finding the Fourth Proportional to 1,375,612.02, 1,898,403.86 and 763,764.80
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Solution
The fourth proportional to 1,375,612.02, 1,898,403.86 and 763,764.80 is: 1,054,028.33
Step by Step Solution
- Step 1: Write the proportion equation
1,375,612.02 : 1,898,403.86 = 763,764.80 : x - Step 2: Convert to fraction form
1,375,612.02/1,898,403.86 = 763,764.80/x - Step 3: Cross multiply
1,375,612.02x = 1,898,403.86 × 763,764.80 - Step 4: Simplify right side
1,375,612.02x = 1,449,934,044,452.13 - Step 5: Solve for x
x = 1,449,934,044,452.13/1,375,612.02 - Step 6: Final answer
x = 1,054,028.33
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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.