Finding the Fourth Proportional to 1,274,492.08, 1,911,177.22 and 675,315.13
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Solution
The fourth proportional to 1,274,492.08, 1,911,177.22 and 675,315.13 is: 1,012,675.49
Step by Step Solution
- Step 1: Write the proportion equation
1,274,492.08 : 1,911,177.22 = 675,315.13 : x - Step 2: Convert to fraction form
1,274,492.08/1,911,177.22 = 675,315.13/x - Step 3: Cross multiply
1,274,492.08x = 1,911,177.22 × 675,315.13 - Step 4: Simplify right side
1,274,492.08x = 1,290,646,892,777.34 - Step 5: Solve for x
x = 1,290,646,892,777.34/1,274,492.08 - Step 6: Final answer
x = 1,012,675.49
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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.