Finding the Fourth Proportional to 1,329,909.80, 1,992,056.70 and 880,845.80
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Solution
The fourth proportional to 1,329,909.80, 1,992,056.70 and 880,845.80 is: 1,319,408.86
Step by Step Solution
- Step 1: Write the proportion equation
1,329,909.80 : 1,992,056.70 = 880,845.80 : x - Step 2: Convert to fraction form
1,329,909.80/1,992,056.70 = 880,845.80/x - Step 3: Cross multiply
1,329,909.80x = 1,992,056.70 × 880,845.80 - Step 4: Simplify right side
1,329,909.80x = 1,754,694,777,556.86 - Step 5: Solve for x
x = 1,754,694,777,556.86/1,329,909.80 - Step 6: Final answer
x = 1,319,408.86
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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.