Finding the Fourth Proportional to 1,232,628.66, 1,701,551.31 and 749,348.10
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Solution
The fourth proportional to 1,232,628.66, 1,701,551.31 and 749,348.10 is: 1,034,418.79
Step by Step Solution
- Step 1: Write the proportion equation
1,232,628.66 : 1,701,551.31 = 749,348.10 : x - Step 2: Convert to fraction form
1,232,628.66/1,701,551.31 = 749,348.10/x - Step 3: Cross multiply
1,232,628.66x = 1,701,551.31 × 749,348.10 - Step 4: Simplify right side
1,232,628.66x = 1,275,054,241,201.01 - Step 5: Solve for x
x = 1,275,054,241,201.01/1,232,628.66 - Step 6: Final answer
x = 1,034,418.79
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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.