Finding the Fourth Proportional to 1,010,305.20, 1,515,457.80 and 974,875.80
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Solution
The fourth proportional to 1,010,305.20, 1,515,457.80 and 974,875.80 is: 1,462,313.70
Step by Step Solution
- Step 1: Write the proportion equation
1,010,305.20 : 1,515,457.80 = 974,875.80 : x - Step 2: Convert to fraction form
1,010,305.20/1,515,457.80 = 974,875.80/x - Step 3: Cross multiply
1,010,305.20x = 1,515,457.80 × 974,875.80 - Step 4: Simplify right side
1,010,305.20x = 1,477,383,135,141.24 - Step 5: Solve for x
x = 1,477,383,135,141.24/1,010,305.20 - Step 6: Final answer
x = 1,462,313.70
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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.