Finding the Fourth Proportional to 1,028,427.99, 1,543,232.69 and 803,156.06
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Solution
The fourth proportional to 1,028,427.99, 1,543,232.69 and 803,156.06 is: 1,205,195.40
Step by Step Solution
- Step 1: Write the proportion equation
1,028,427.99 : 1,543,232.69 = 803,156.06 : x - Step 2: Convert to fraction form
1,028,427.99/1,543,232.69 = 803,156.06/x - Step 3: Cross multiply
1,028,427.99x = 1,543,232.69 × 803,156.06 - Step 4: Simplify right side
1,028,427.99x = 1,239,456,681,255.33 - Step 5: Solve for x
x = 1,239,456,681,255.33/1,028,427.99 - Step 6: Final answer
x = 1,205,195.40
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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.