Finding the Fourth Proportional to 1,049,645.60, 1,572,135.60 and 863,021.60
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Solution
The fourth proportional to 1,049,645.60, 1,572,135.60 and 863,021.60 is: 1,292,614.37
Step by Step Solution
- Step 1: Write the proportion equation
1,049,645.60 : 1,572,135.60 = 863,021.60 : x - Step 2: Convert to fraction form
1,049,645.60/1,572,135.60 = 863,021.60/x - Step 3: Cross multiply
1,049,645.60x = 1,572,135.60 × 863,021.60 - Step 4: Simplify right side
1,049,645.60x = 1,356,786,980,928.96 - Step 5: Solve for x
x = 1,356,786,980,928.96/1,049,645.60 - Step 6: Final answer
x = 1,292,614.37
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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.