Finding the Fourth Proportional to 1,249,725.20, 1,874,199.78 and 450,902.66
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Solution
The fourth proportional to 1,249,725.20, 1,874,199.78 and 450,902.66 is: 676,213.99
Step by Step Solution
- Step 1: Write the proportion equation
1,249,725.20 : 1,874,199.78 = 450,902.66 : x - Step 2: Convert to fraction form
1,249,725.20/1,874,199.78 = 450,902.66/x - Step 3: Cross multiply
1,249,725.20x = 1,874,199.78 × 450,902.66 - Step 4: Simplify right side
1,249,725.20x = 845,081,666,173.42 - Step 5: Solve for x
x = 845,081,666,173.42/1,249,725.20 - Step 6: Final answer
x = 676,213.99
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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.