Finding the Fourth Proportional to 1,127,467.98, 1,555,969.45 and 668,854.08
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Solution
The fourth proportional to 1,127,467.98, 1,555,969.45 and 668,854.08 is: 923,056.38
Step by Step Solution
- Step 1: Write the proportion equation
1,127,467.98 : 1,555,969.45 = 668,854.08 : x - Step 2: Convert to fraction form
1,127,467.98/1,555,969.45 = 668,854.08/x - Step 3: Cross multiply
1,127,467.98x = 1,555,969.45 × 668,854.08 - Step 4: Simplify right side
1,127,467.98x = 1,040,716,507,208.01 - Step 5: Solve for x
x = 1,040,716,507,208.01/1,127,467.98 - Step 6: Final answer
x = 923,056.38
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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.