Finding the Fourth Proportional to 1,193,041.12, 1,646,424.12 and 676,829.56
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Solution
The fourth proportional to 1,193,041.12, 1,646,424.12 and 676,829.56 is: 934,040.32
Step by Step Solution
- Step 1: Write the proportion equation
1,193,041.12 : 1,646,424.12 = 676,829.56 : x - Step 2: Convert to fraction form
1,193,041.12/1,646,424.12 = 676,829.56/x - Step 3: Cross multiply
1,193,041.12x = 1,646,424.12 × 676,829.56 - Step 4: Simplify right side
1,193,041.12x = 1,114,348,512,712.99 - Step 5: Solve for x
x = 1,114,348,512,712.99/1,193,041.12 - Step 6: Final answer
x = 934,040.32
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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.