Finding the Fourth Proportional to 1,318,465.10, 1,974,472.12 and 1,190,669.98
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Solution
The fourth proportional to 1,318,465.10, 1,974,472.12 and 1,190,669.98 is: 1,783,092.08
Step by Step Solution
- Step 1: Write the proportion equation
1,318,465.10 : 1,974,472.12 = 1,190,669.98 : x - Step 2: Convert to fraction form
1,318,465.10/1,974,472.12 = 1,190,669.98/x - Step 3: Cross multiply
1,318,465.10x = 1,974,472.12 × 1,190,669.98 - Step 4: Simplify right side
1,318,465.10x = 2,350,944,679,630.96 - Step 5: Solve for x
x = 2,350,944,679,630.96/1,318,465.10 - Step 6: Final answer
x = 1,783,092.08
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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.