Finding the Fourth Proportional to 1,403,933.12, 1,937,427.84 and 759,353.34
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Solution
The fourth proportional to 1,403,933.12, 1,937,427.84 and 759,353.34 is: 1,047,907.69
Step by Step Solution
- Step 1: Write the proportion equation
1,403,933.12 : 1,937,427.84 = 759,353.34 : x - Step 2: Convert to fraction form
1,403,933.12/1,937,427.84 = 759,353.34/x - Step 3: Cross multiply
1,403,933.12x = 1,937,427.84 × 759,353.34 - Step 4: Simplify right side
1,403,933.12x = 1,471,192,301,312.99 - Step 5: Solve for x
x = 1,471,192,301,312.99/1,403,933.12 - Step 6: Final answer
x = 1,047,907.69
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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.