Finding the Fourth Proportional to 1,224,554.11, 1,689,904.84 and 673,293.12
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Solution
The fourth proportional to 1,224,554.11, 1,689,904.84 and 673,293.12 is: 929,155.59
Step by Step Solution
- Step 1: Write the proportion equation
1,224,554.11 : 1,689,904.84 = 673,293.12 : x - Step 2: Convert to fraction form
1,224,554.11/1,689,904.84 = 673,293.12/x - Step 3: Cross multiply
1,224,554.11x = 1,689,904.84 × 673,293.12 - Step 4: Simplify right side
1,224,554.11x = 1,137,801,297,381.19 - Step 5: Solve for x
x = 1,137,801,297,381.19/1,224,554.11 - Step 6: Final answer
x = 929,155.59
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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.