Finding the Fourth Proportional to 1,247,327.94, 1,721,312.37 and 674,368.13
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Solution
The fourth proportional to 1,247,327.94, 1,721,312.37 and 674,368.13 is: 930,627.91
Step by Step Solution
- Step 1: Write the proportion equation
1,247,327.94 : 1,721,312.37 = 674,368.13 : x - Step 2: Convert to fraction form
1,247,327.94/1,721,312.37 = 674,368.13/x - Step 3: Cross multiply
1,247,327.94x = 1,721,312.37 × 674,368.13 - Step 4: Simplify right side
1,247,327.94x = 1,160,798,195,496.21 - Step 5: Solve for x
x = 1,160,798,195,496.21/1,247,327.94 - Step 6: Final answer
x = 930,627.91
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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.