Finding the Fourth Proportional to 1,242,297.06, 1,863,882.99 and 611,653.74
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Solution
The fourth proportional to 1,242,297.06, 1,863,882.99 and 611,653.74 is: 917,695.97
Step by Step Solution
- Step 1: Write the proportion equation
1,242,297.06 : 1,863,882.99 = 611,653.74 : x - Step 2: Convert to fraction form
1,242,297.06/1,863,882.99 = 611,653.74/x - Step 3: Cross multiply
1,242,297.06x = 1,863,882.99 × 611,653.74 - Step 4: Simplify right side
1,242,297.06x = 1,140,051,001,755.88 - Step 5: Solve for x
x = 1,140,051,001,755.88/1,242,297.06 - Step 6: Final answer
x = 917,695.97
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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.