Finding the Fourth Proportional to 1,249,623.34, 1,874,499.21 and 351,135.15
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Solution
The fourth proportional to 1,249,623.34, 1,874,499.21 and 351,135.15 is: 526,720.76
Step by Step Solution
- Step 1: Write the proportion equation
1,249,623.34 : 1,874,499.21 = 351,135.15 : x - Step 2: Convert to fraction form
1,249,623.34/1,874,499.21 = 351,135.15/x - Step 3: Cross multiply
1,249,623.34x = 1,874,499.21 × 351,135.15 - Step 4: Simplify right side
1,249,623.34x = 658,202,550,150.06 - Step 5: Solve for x
x = 658,202,550,150.06/1,249,623.34 - Step 6: Final answer
x = 526,720.76
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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.