Finding the Fourth Proportional to 1,043,580, 1,565,347.68 and 285,421.44
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Solution
The fourth proportional to 1,043,580, 1,565,347.68 and 285,421.44 is: 428,126.06
Step by Step Solution
- Step 1: Write the proportion equation
1,043,580 : 1,565,347.68 = 285,421.44 : x - Step 2: Convert to fraction form
1,043,580/1,565,347.68 = 285,421.44/x - Step 3: Cross multiply
1,043,580x = 1,565,347.68 × 285,421.44 - Step 4: Simplify right side
1,043,580x = 446,783,788,926.26 - Step 5: Solve for x
x = 446,783,788,926.26/1,043,580 - Step 6: Final answer
x = 428,126.06
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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.