Finding the Fourth Proportional to 1,292,995.18, 1,784,380.49 and 803,234.62
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Solution
The fourth proportional to 1,292,995.18, 1,784,380.49 and 803,234.62 is: 1,108,493.06
Step by Step Solution
- Step 1: Write the proportion equation
1,292,995.18 : 1,784,380.49 = 803,234.62 : x - Step 2: Convert to fraction form
1,292,995.18/1,784,380.49 = 803,234.62/x - Step 3: Cross multiply
1,292,995.18x = 1,784,380.49 × 803,234.62 - Step 4: Simplify right side
1,292,995.18x = 1,433,276,184,820.56 - Step 5: Solve for x
x = 1,433,276,184,820.56/1,292,995.18 - Step 6: Final answer
x = 1,108,493.06
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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.