Finding the Fourth Proportional to 1,125,468.70, 1,687,704.22 and 808,597.06
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Solution
The fourth proportional to 1,125,468.70, 1,687,704.22 and 808,597.06 is: 1,212,537.20
Step by Step Solution
- Step 1: Write the proportion equation
1,125,468.70 : 1,687,704.22 = 808,597.06 : x - Step 2: Convert to fraction form
1,125,468.70/1,687,704.22 = 808,597.06/x - Step 3: Cross multiply
1,125,468.70x = 1,687,704.22 × 808,597.06 - Step 4: Simplify right side
1,125,468.70x = 1,364,672,659,981.58 - Step 5: Solve for x
x = 1,364,672,659,981.58/1,125,468.70 - Step 6: Final answer
x = 1,212,537.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.