Finding the Fourth Proportional to 1,267,742.68, 1,749,474.85 and 694,781.48
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Solution
The fourth proportional to 1,267,742.68, 1,749,474.85 and 694,781.48 is: 958,792.94
Step by Step Solution
- Step 1: Write the proportion equation
1,267,742.68 : 1,749,474.85 = 694,781.48 : x - Step 2: Convert to fraction form
1,267,742.68/1,749,474.85 = 694,781.48/x - Step 3: Cross multiply
1,267,742.68x = 1,749,474.85 × 694,781.48 - Step 4: Simplify right side
1,267,742.68x = 1,215,502,725,505.78 - Step 5: Solve for x
x = 1,215,502,725,505.78/1,267,742.68 - Step 6: Final answer
x = 958,792.94
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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.