Finding the Fourth Proportional to 1,259,272.96, 1,888,352.14 and 360,509.92
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Solution
The fourth proportional to 1,259,272.96, 1,888,352.14 and 360,509.92 is: 540,605.33
Step by Step Solution
- Step 1: Write the proportion equation
1,259,272.96 : 1,888,352.14 = 360,509.92 : x - Step 2: Convert to fraction form
1,259,272.96/1,888,352.14 = 360,509.92/x - Step 3: Cross multiply
1,259,272.96x = 1,888,352.14 × 360,509.92 - Step 4: Simplify right side
1,259,272.96x = 680,769,678,923.23 - Step 5: Solve for x
x = 680,769,678,923.23/1,259,272.96 - Step 6: Final answer
x = 540,605.33
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1.5x scale
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.