Finding the Fourth Proportional to 1,329,437.35, 1,993,737.69 and 430,670.53
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Solution
The fourth proportional to 1,329,437.35, 1,993,737.69 and 430,670.53 is: 645,870.28
Step by Step Solution
- Step 1: Write the proportion equation
1,329,437.35 : 1,993,737.69 = 430,670.53 : x - Step 2: Convert to fraction form
1,329,437.35/1,993,737.69 = 430,670.53/x - Step 3: Cross multiply
1,329,437.35x = 1,993,737.69 × 430,670.53 - Step 4: Simplify right side
1,329,437.35x = 858,644,067,633.28 - Step 5: Solve for x
x = 858,644,067,633.28/1,329,437.35 - Step 6: Final answer
x = 645,870.28
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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.