Finding the Fourth Proportional to 1,124,451.75, 1,686,852.99 and 366,114.15
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Solution
The fourth proportional to 1,124,451.75, 1,686,852.99 and 366,114.15 is: 549,228.32
Step by Step Solution
- Step 1: Write the proportion equation
1,124,451.75 : 1,686,852.99 = 366,114.15 : x - Step 2: Convert to fraction form
1,124,451.75/1,686,852.99 = 366,114.15/x - Step 3: Cross multiply
1,124,451.75x = 1,686,852.99 × 366,114.15 - Step 4: Simplify right side
1,124,451.75x = 617,580,748,608.81 - Step 5: Solve for x
x = 617,580,748,608.81/1,124,451.75 - Step 6: Final answer
x = 549,228.32
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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.