Finding the Fourth Proportional to 1,297,364.20, 1,941,380.70 and 877,460.20
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Solution
The fourth proportional to 1,297,364.20, 1,941,380.70 and 877,460.20 is: 1,313,034.76
Step by Step Solution
- Step 1: Write the proportion equation
1,297,364.20 : 1,941,380.70 = 877,460.20 : x - Step 2: Convert to fraction form
1,297,364.20/1,941,380.70 = 877,460.20/x - Step 3: Cross multiply
1,297,364.20x = 1,941,380.70 × 877,460.20 - Step 4: Simplify right side
1,297,364.20x = 1,703,484,297,298.14 - Step 5: Solve for x
x = 1,703,484,297,298.14/1,297,364.20 - Step 6: Final answer
x = 1,313,034.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.