Finding the Fourth Proportional to 1,053,822.74, 1,580,738.20 and 255,102.98
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Solution
The fourth proportional to 1,053,822.74, 1,580,738.20 and 255,102.98 is: 382,655.46
Step by Step Solution
- Step 1: Write the proportion equation
1,053,822.74 : 1,580,738.20 = 255,102.98 : x - Step 2: Convert to fraction form
1,053,822.74/1,580,738.20 = 255,102.98/x - Step 3: Cross multiply
1,053,822.74x = 1,580,738.20 × 255,102.98 - Step 4: Simplify right side
1,053,822.74x = 403,251,025,419.84 - Step 5: Solve for x
x = 403,251,025,419.84/1,053,822.74 - Step 6: Final answer
x = 382,655.46
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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.