Finding the Fourth Proportional to 1,325,454.03, 1,986,497.73 and 685,637.62
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Solution
The fourth proportional to 1,325,454.03, 1,986,497.73 and 685,637.62 is: 1,027,585.68
Step by Step Solution
- Step 1: Write the proportion equation
1,325,454.03 : 1,986,497.73 = 685,637.62 : x - Step 2: Convert to fraction form
1,325,454.03/1,986,497.73 = 685,637.62/x - Step 3: Cross multiply
1,325,454.03x = 1,986,497.73 × 685,637.62 - Step 4: Simplify right side
1,325,454.03x = 1,362,017,575,732.60 - Step 5: Solve for x
x = 1,362,017,575,732.60/1,325,454.03 - Step 6: Final answer
x = 1,027,585.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.