Finding the Fourth Proportional to 1,177,539.65, 1,765,881.12 and 503,670.23
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Solution
The fourth proportional to 1,177,539.65, 1,765,881.12 and 503,670.23 is: 755,322.12
Step by Step Solution
- Step 1: Write the proportion equation
1,177,539.65 : 1,765,881.12 = 503,670.23 : x - Step 2: Convert to fraction form
1,177,539.65/1,765,881.12 = 503,670.23/x - Step 3: Cross multiply
1,177,539.65x = 1,765,881.12 × 503,670.23 - Step 4: Simplify right side
1,177,539.65x = 889,421,749,863.06 - Step 5: Solve for x
x = 889,421,749,863.06/1,177,539.65 - Step 6: Final answer
x = 755,322.12
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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.