Finding the Fourth Proportional to 1,020,687.24, 1,529,281.26 and 720,630.84
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Solution
The fourth proportional to 1,020,687.24, 1,529,281.26 and 720,630.84 is: 1,079,711.00
Step by Step Solution
- Step 1: Write the proportion equation
1,020,687.24 : 1,529,281.26 = 720,630.84 : x - Step 2: Convert to fraction form
1,020,687.24/1,529,281.26 = 720,630.84/x - Step 3: Cross multiply
1,020,687.24x = 1,529,281.26 × 720,630.84 - Step 4: Simplify right side
1,020,687.24x = 1,102,047,238,990.06 - Step 5: Solve for x
x = 1,102,047,238,990.06/1,020,687.24 - Step 6: Final answer
x = 1,079,711.00
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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.