Finding the Fourth Proportional to 1,247,328.69, 1,721,313.41 and 674,368.88
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Solution
The fourth proportional to 1,247,328.69, 1,721,313.41 and 674,368.88 is: 930,628.95
Step by Step Solution
- Step 1: Write the proportion equation
1,247,328.69 : 1,721,313.41 = 674,368.88 : x - Step 2: Convert to fraction form
1,247,328.69/1,721,313.41 = 674,368.88/x - Step 3: Cross multiply
1,247,328.69x = 1,721,313.41 × 674,368.88 - Step 4: Simplify right side
1,247,328.69x = 1,160,800,184,452.27 - Step 5: Solve for x
x = 1,160,800,184,452.27/1,247,328.69 - Step 6: Final answer
x = 930,628.95
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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.