Finding the Fourth Proportional to 1,038,954.52, 1,557,251.70 and 439,541.56
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Solution
The fourth proportional to 1,038,954.52, 1,557,251.70 and 439,541.56 is: 658,813.09
Step by Step Solution
- Step 1: Write the proportion equation
1,038,954.52 : 1,557,251.70 = 439,541.56 : x - Step 2: Convert to fraction form
1,038,954.52/1,557,251.70 = 439,541.56/x - Step 3: Cross multiply
1,038,954.52x = 1,557,251.70 × 439,541.56 - Step 4: Simplify right side
1,038,954.52x = 684,476,841,530.65 - Step 5: Solve for x
x = 684,476,841,530.65/1,038,954.52 - Step 6: Final answer
x = 658,813.09
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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.