Finding the Fourth Proportional to 1,102,156.88, 1,653,408.12 and 471,074
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Solution
The fourth proportional to 1,102,156.88, 1,653,408.12 and 471,074 is: 706,684.86
Step by Step Solution
- Step 1: Write the proportion equation
1,102,156.88 : 1,653,408.12 = 471,074 : x - Step 2: Convert to fraction form
1,102,156.88/1,653,408.12 = 471,074/x - Step 3: Cross multiply
1,102,156.88x = 1,653,408.12 × 471,074 - Step 4: Simplify right side
1,102,156.88x = 778,877,576,720.88 - Step 5: Solve for x
x = 778,877,576,720.88/1,102,156.88 - Step 6: Final answer
x = 706,684.86
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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.