Finding the Fourth Proportional to 1,318,027.24, 1,974,784.20 and 719,408.62
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Solution
The fourth proportional to 1,318,027.24, 1,974,784.20 and 719,408.62 is: 1,077,881.19
Step by Step Solution
- Step 1: Write the proportion equation
1,318,027.24 : 1,974,784.20 = 719,408.62 : x - Step 2: Convert to fraction form
1,318,027.24/1,974,784.20 = 719,408.62/x - Step 3: Cross multiply
1,318,027.24x = 1,974,784.20 × 719,408.62 - Step 4: Simplify right side
1,318,027.24x = 1,420,676,776,119.80 - Step 5: Solve for x
x = 1,420,676,776,119.80/1,318,027.24 - Step 6: Final answer
x = 1,077,881.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.