Finding the Fourth Proportional to 1,429,207.44, 1,972,349.04 and 784,671.12
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Solution
The fourth proportional to 1,429,207.44, 1,972,349.04 and 784,671.12 is: 1,082,869.63
Step by Step Solution
- Step 1: Write the proportion equation
1,429,207.44 : 1,972,349.04 = 784,671.12 : x - Step 2: Convert to fraction form
1,429,207.44/1,972,349.04 = 784,671.12/x - Step 3: Cross multiply
1,429,207.44x = 1,972,349.04 × 784,671.12 - Step 4: Simplify right side
1,429,207.44x = 1,547,645,330,247.73 - Step 5: Solve for x
x = 1,547,645,330,247.73/1,429,207.44 - Step 6: Final answer
x = 1,082,869.63
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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.