Finding the Fourth Proportional to 1,288,652.68, 1,930,795.98 and 788,972.68
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Solution
The fourth proportional to 1,288,652.68, 1,930,795.98 and 788,972.68 is: 1,182,122.46
Step by Step Solution
- Step 1: Write the proportion equation
1,288,652.68 : 1,930,795.98 = 788,972.68 : x - Step 2: Convert to fraction form
1,288,652.68/1,930,795.98 = 788,972.68/x - Step 3: Cross multiply
1,288,652.68x = 1,930,795.98 × 788,972.68 - Step 4: Simplify right side
1,288,652.68x = 1,523,345,278,873.83 - Step 5: Solve for x
x = 1,523,345,278,873.83/1,288,652.68 - Step 6: Final answer
x = 1,182,122.46
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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.