Finding the Fourth Proportional to 1,005,416.70, 1,508,125.05 and 887,318.70
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Solution
The fourth proportional to 1,005,416.70, 1,508,125.05 and 887,318.70 is: 1,330,978.05
Step by Step Solution
- Step 1: Write the proportion equation
1,005,416.70 : 1,508,125.05 = 887,318.70 : x - Step 2: Convert to fraction form
1,005,416.70/1,508,125.05 = 887,318.70/x - Step 3: Cross multiply
1,005,416.70x = 1,508,125.05 × 887,318.70 - Step 4: Simplify right side
1,005,416.70x = 1,338,187,558,803.44 - Step 5: Solve for x
x = 1,338,187,558,803.44/1,005,416.70 - Step 6: Final answer
x = 1,330,978.05
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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.