Finding the Fourth Proportional to 1,224,769.36, 1,690,289.39 and 673,582.18
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Solution
The fourth proportional to 1,224,769.36, 1,690,289.39 and 673,582.18 is: 929,602.63
Step by Step Solution
- Step 1: Write the proportion equation
1,224,769.36 : 1,690,289.39 = 673,582.18 : x - Step 2: Convert to fraction form
1,224,769.36/1,690,289.39 = 673,582.18/x - Step 3: Cross multiply
1,224,769.36x = 1,690,289.39 × 673,582.18 - Step 4: Simplify right side
1,224,769.36x = 1,138,548,812,147.07 - Step 5: Solve for x
x = 1,138,548,812,147.07/1,224,769.36 - Step 6: Final answer
x = 929,602.63
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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.