Finding the Fourth Proportional to 1,352,066.42, 1,865,852.20 and 740,258.84
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Solution
The fourth proportional to 1,352,066.42, 1,865,852.20 and 740,258.84 is: 1,021,557.50
Step by Step Solution
- Step 1: Write the proportion equation
1,352,066.42 : 1,865,852.20 = 740,258.84 : x - Step 2: Convert to fraction form
1,352,066.42/1,865,852.20 = 740,258.84/x - Step 3: Cross multiply
1,352,066.42x = 1,865,852.20 × 740,258.84 - Step 4: Simplify right side
1,352,066.42x = 1,381,213,585,183.45 - Step 5: Solve for x
x = 1,381,213,585,183.45/1,352,066.42 - Step 6: Final answer
x = 1,021,557.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.