Finding the Fourth Proportional to 1,036,403.10, 1,551,093.30 and 637,296.66
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Solution
The fourth proportional to 1,036,403.10, 1,551,093.30 and 637,296.66 is: 953,785.82
Step by Step Solution
- Step 1: Write the proportion equation
1,036,403.10 : 1,551,093.30 = 637,296.66 : x - Step 2: Convert to fraction form
1,036,403.10/1,551,093.30 = 637,296.66/x - Step 3: Cross multiply
1,036,403.10x = 1,551,093.30 × 637,296.66 - Step 4: Simplify right side
1,036,403.10x = 988,506,579,438.38 - Step 5: Solve for x
x = 988,506,579,438.38/1,036,403.10 - Step 6: Final answer
x = 953,785.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.