Finding the Fourth Proportional to 1,038,027.30, 1,556,293.68 and 637,841.25
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Solution
The fourth proportional to 1,038,027.30, 1,556,293.68 and 637,841.25 is: 956,302.70
Step by Step Solution
- Step 1: Write the proportion equation
1,038,027.30 : 1,556,293.68 = 637,841.25 : x - Step 2: Convert to fraction form
1,038,027.30/1,556,293.68 = 637,841.25/x - Step 3: Cross multiply
1,038,027.30x = 1,556,293.68 × 637,841.25 - Step 4: Simplify right side
1,038,027.30x = 992,668,306,218.30 - Step 5: Solve for x
x = 992,668,306,218.30/1,038,027.30 - Step 6: Final answer
x = 956,302.70
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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.