Finding the Fourth Proportional to 1,438,810.24, 1,985,547.18 and 794,230.87
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Solution
The fourth proportional to 1,438,810.24, 1,985,547.18 and 794,230.87 is: 1,096,032.56
Step by Step Solution
- Step 1: Write the proportion equation
1,438,810.24 : 1,985,547.18 = 794,230.87 : x - Step 2: Convert to fraction form
1,438,810.24/1,985,547.18 = 794,230.87/x - Step 3: Cross multiply
1,438,810.24x = 1,985,547.18 × 794,230.87 - Step 4: Simplify right side
1,438,810.24x = 1,576,982,864,197.45 - Step 5: Solve for x
x = 1,576,982,864,197.45/1,438,810.24 - Step 6: Final answer
x = 1,096,032.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.