Finding the Fourth Proportional to 1,079,312.80, 1,617,586.80 and 828,752.80
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Solution
The fourth proportional to 1,079,312.80, 1,617,586.80 and 828,752.80 is: 1,242,067.72
Step by Step Solution
- Step 1: Write the proportion equation
1,079,312.80 : 1,617,586.80 = 828,752.80 : x - Step 2: Convert to fraction form
1,079,312.80/1,617,586.80 = 828,752.80/x - Step 3: Cross multiply
1,079,312.80x = 1,617,586.80 × 828,752.80 - Step 4: Simplify right side
1,079,312.80x = 1,340,579,589,743.04 - Step 5: Solve for x
x = 1,340,579,589,743.04/1,079,312.80 - Step 6: Final answer
x = 1,242,067.72
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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.