Finding the Fourth Proportional to 1,378,454.08, 2,064,035.92 and 1,079,534.88
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Solution
The fourth proportional to 1,378,454.08, 2,064,035.92 and 1,079,534.88 is: 1,616,447.59
Step by Step Solution
- Step 1: Write the proportion equation
1,378,454.08 : 2,064,035.92 = 1,079,534.88 : x - Step 2: Convert to fraction form
1,378,454.08/2,064,035.92 = 1,079,534.88/x - Step 3: Cross multiply
1,378,454.08x = 2,064,035.92 × 1,079,534.88 - Step 4: Simplify right side
1,378,454.08x = 2,228,198,769,212.89 - Step 5: Solve for x
x = 2,228,198,769,212.89/1,378,454.08 - Step 6: Final answer
x = 1,616,447.59
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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.