Finding the Fourth Proportional to 1,087,821.24, 1,631,741.58 and 447,973.08
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Solution
The fourth proportional to 1,087,821.24, 1,631,741.58 and 447,973.08 is: 671,963.62
Step by Step Solution
- Step 1: Write the proportion equation
1,087,821.24 : 1,631,741.58 = 447,973.08 : x - Step 2: Convert to fraction form
1,087,821.24/1,631,741.58 = 447,973.08/x - Step 3: Cross multiply
1,087,821.24x = 1,631,741.58 × 447,973.08 - Step 4: Simplify right side
1,087,821.24x = 730,976,301,356.67 - Step 5: Solve for x
x = 730,976,301,356.67/1,087,821.24 - Step 6: Final answer
x = 671,963.62
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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.