Finding the Fourth Proportional to 1,253,899.12, 1,730,415.12 and 737,689.36
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Solution
The fourth proportional to 1,253,899.12, 1,730,415.12 and 737,689.36 is: 1,018,031.52
Step by Step Solution
- Step 1: Write the proportion equation
1,253,899.12 : 1,730,415.12 = 737,689.36 : x - Step 2: Convert to fraction form
1,253,899.12/1,730,415.12 = 737,689.36/x - Step 3: Cross multiply
1,253,899.12x = 1,730,415.12 × 737,689.36 - Step 4: Simplify right side
1,253,899.12x = 1,276,508,822,407.12 - Step 5: Solve for x
x = 1,276,508,822,407.12/1,253,899.12 - Step 6: Final answer
x = 1,018,031.52
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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.