Finding the Fourth Proportional to 1,157,159.26, 1,596,508.30 and 749,573.54
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Solution
The fourth proportional to 1,157,159.26, 1,596,508.30 and 749,573.54 is: 1,034,170.85
Step by Step Solution
- Step 1: Write the proportion equation
1,157,159.26 : 1,596,508.30 = 749,573.54 : x - Step 2: Convert to fraction form
1,157,159.26/1,596,508.30 = 749,573.54/x - Step 3: Cross multiply
1,157,159.26x = 1,596,508.30 × 749,573.54 - Step 4: Simplify right side
1,157,159.26x = 1,196,700,378,070.38 - Step 5: Solve for x
x = 1,196,700,378,070.38/1,157,159.26 - Step 6: Final answer
x = 1,034,170.85
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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.