Finding the Fourth Proportional to 1,249,870.99, 1,874,903.69 and 408,507.79
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Solution
The fourth proportional to 1,249,870.99, 1,874,903.69 and 408,507.79 is: 612,793.46
Step by Step Solution
- Step 1: Write the proportion equation
1,249,870.99 : 1,874,903.69 = 408,507.79 : x - Step 2: Convert to fraction form
1,249,870.99/1,874,903.69 = 408,507.79/x - Step 3: Cross multiply
1,249,870.99x = 1,874,903.69 × 408,507.79 - Step 4: Simplify right side
1,249,870.99x = 765,912,762,864.75 - Step 5: Solve for x
x = 765,912,762,864.75/1,249,870.99 - Step 6: Final answer
x = 612,793.46
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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.