Finding the Fourth Proportional to 1,368,622, 1,888,659.12 and 756,764.08
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Solution
The fourth proportional to 1,368,622, 1,888,659.12 and 756,764.08 is: 1,044,312.73
Step by Step Solution
- Step 1: Write the proportion equation
1,368,622 : 1,888,659.12 = 756,764.08 : x - Step 2: Convert to fraction form
1,368,622/1,888,659.12 = 756,764.08/x - Step 3: Cross multiply
1,368,622x = 1,888,659.12 × 756,764.08 - Step 4: Simplify right side
1,368,622x = 1,429,269,381,380.41 - Step 5: Solve for x
x = 1,429,269,381,380.41/1,368,622 - Step 6: Final answer
x = 1,044,312.73
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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.