Finding the Fourth Proportional to 1,155,885.48, 1,595,183.94 and 646,557.48
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Solution
The fourth proportional to 1,155,885.48, 1,595,183.94 and 646,557.48 is: 892,283.99
Step by Step Solution
- Step 1: Write the proportion equation
1,155,885.48 : 1,595,183.94 = 646,557.48 : x - Step 2: Convert to fraction form
1,155,885.48/1,595,183.94 = 646,557.48/x - Step 3: Cross multiply
1,155,885.48x = 1,595,183.94 × 646,557.48 - Step 4: Simplify right side
1,155,885.48x = 1,031,378,108,382.87 - Step 5: Solve for x
x = 1,031,378,108,382.87/1,155,885.48 - Step 6: Final answer
x = 892,283.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.