Finding the Fourth Proportional to 1,406,893.74, 1,941,515.07 and 762,313.42
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Solution
The fourth proportional to 1,406,893.74, 1,941,515.07 and 762,313.42 is: 1,051,993.45
Step by Step Solution
- Step 1: Write the proportion equation
1,406,893.74 : 1,941,515.07 = 762,313.42 : x - Step 2: Convert to fraction form
1,406,893.74/1,941,515.07 = 762,313.42/x - Step 3: Cross multiply
1,406,893.74x = 1,941,515.07 × 762,313.42 - Step 4: Simplify right side
1,406,893.74x = 1,480,042,992,993.24 - Step 5: Solve for x
x = 1,480,042,992,993.24/1,406,893.74 - Step 6: Final answer
x = 1,051,993.45
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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.