Finding the Fourth Proportional to 1,157,476.26, 1,596,786.48 and 749,709.18
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Solution
The fourth proportional to 1,157,476.26, 1,596,786.48 and 749,709.18 is: 1,034,254.89
Step by Step Solution
- Step 1: Write the proportion equation
1,157,476.26 : 1,596,786.48 = 749,709.18 : x - Step 2: Convert to fraction form
1,157,476.26/1,596,786.48 = 749,709.18/x - Step 3: Cross multiply
1,157,476.26x = 1,596,786.48 × 749,709.18 - Step 4: Simplify right side
1,157,476.26x = 1,197,125,482,555.89 - Step 5: Solve for x
x = 1,197,125,482,555.89/1,157,476.26 - Step 6: Final answer
x = 1,034,254.89
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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.