Finding the Fourth Proportional to 1,028,428.99, 1,543,234.19 and 803,157.06
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Solution
The fourth proportional to 1,028,428.99, 1,543,234.19 and 803,157.06 is: 1,205,196.90
Step by Step Solution
- Step 1: Write the proportion equation
1,028,428.99 : 1,543,234.19 = 803,157.06 : x - Step 2: Convert to fraction form
1,028,428.99/1,543,234.19 = 803,157.06/x - Step 3: Cross multiply
1,028,428.99x = 1,543,234.19 × 803,157.06 - Step 4: Simplify right side
1,028,428.99x = 1,239,459,434,931.88 - Step 5: Solve for x
x = 1,239,459,434,931.88/1,028,428.99 - Step 6: Final answer
x = 1,205,196.90
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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.