Finding the Fourth Proportional to 1,037,983.84, 1,556,237.53 and 397,745.06
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Solution
The fourth proportional to 1,037,983.84, 1,556,237.53 and 397,745.06 is: 596,334.70
Step by Step Solution
- Step 1: Write the proportion equation
1,037,983.84 : 1,556,237.53 = 397,745.06 : x - Step 2: Convert to fraction form
1,037,983.84/1,556,237.53 = 397,745.06/x - Step 3: Cross multiply
1,037,983.84x = 1,556,237.53 × 397,745.06 - Step 4: Simplify right side
1,037,983.84x = 618,985,782,460.10 - Step 5: Solve for x
x = 618,985,782,460.10/1,037,983.84 - Step 6: Final answer
x = 596,334.70
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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.