Finding the Fourth Proportional to 1,438,697.24, 1,985,402.40 and 794,117.68
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Solution
The fourth proportional to 1,438,697.24, 1,985,402.40 and 794,117.68 is: 1,095,882.51
Step by Step Solution
- Step 1: Write the proportion equation
1,438,697.24 : 1,985,402.40 = 794,117.68 : x - Step 2: Convert to fraction form
1,438,697.24/1,985,402.40 = 794,117.68/x - Step 3: Cross multiply
1,438,697.24x = 1,985,402.40 × 794,117.68 - Step 4: Simplify right side
1,438,697.24x = 1,576,643,147,754.43 - Step 5: Solve for x
x = 1,576,643,147,754.43/1,438,697.24 - Step 6: Final answer
x = 1,095,882.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.