Finding the Fourth Proportional to 1,027,064.26, 1,539,997.35 and 427,306.69
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Solution
The fourth proportional to 1,027,064.26, 1,539,997.35 and 427,306.69 is: 640,710.81
Step by Step Solution
- Step 1: Write the proportion equation
1,027,064.26 : 1,539,997.35 = 427,306.69 : x - Step 2: Convert to fraction form
1,027,064.26/1,539,997.35 = 427,306.69/x - Step 3: Cross multiply
1,027,064.26x = 1,539,997.35 × 427,306.69 - Step 4: Simplify right side
1,027,064.26x = 658,051,170,237.27 - Step 5: Solve for x
x = 658,051,170,237.27/1,027,064.26 - Step 6: Final answer
x = 640,710.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.