Finding the Fourth Proportional to 1,375,611.20, 1,898,402.75 and 763,763.99
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Solution
The fourth proportional to 1,375,611.20, 1,898,402.75 and 763,763.99 is: 1,054,027.23
Step by Step Solution
- Step 1: Write the proportion equation
1,375,611.20 : 1,898,402.75 = 763,763.99 : x - Step 2: Convert to fraction form
1,375,611.20/1,898,402.75 = 763,763.99/x - Step 3: Cross multiply
1,375,611.20x = 1,898,402.75 × 763,763.99 - Step 4: Simplify right side
1,375,611.20x = 1,449,931,658,966.97 - Step 5: Solve for x
x = 1,449,931,658,966.97/1,375,611.20 - Step 6: Final answer
x = 1,054,027.23
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.