Finding the Fourth Proportional to 1,153,863.58, 1,592,327.76 and 637,603.08
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Solution
The fourth proportional to 1,153,863.58, 1,592,327.76 and 637,603.08 is: 879,890.05
Step by Step Solution
- Step 1: Write the proportion equation
1,153,863.58 : 1,592,327.76 = 637,603.08 : x - Step 2: Convert to fraction form
1,153,863.58/1,592,327.76 = 637,603.08/x - Step 3: Cross multiply
1,153,863.58x = 1,592,327.76 × 637,603.08 - Step 4: Simplify right side
1,153,863.58x = 1,015,273,084,145.50 - Step 5: Solve for x
x = 1,015,273,084,145.50/1,153,863.58 - Step 6: Final answer
x = 879,890.05
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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.