Finding the Fourth Proportional to 1,232,621.12, 1,701,541 and 749,340.64
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Solution
The fourth proportional to 1,232,621.12, 1,701,541 and 749,340.64 is: 1,034,408.55
Step by Step Solution
- Step 1: Write the proportion equation
1,232,621.12 : 1,701,541 = 749,340.64 : x - Step 2: Convert to fraction form
1,232,621.12/1,701,541 = 749,340.64/x - Step 3: Cross multiply
1,232,621.12x = 1,701,541 × 749,340.64 - Step 4: Simplify right side
1,232,621.12x = 1,275,033,821,926.24 - Step 5: Solve for x
x = 1,275,033,821,926.24/1,232,621.12 - Step 6: Final answer
x = 1,034,408.55
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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.