Finding the Fourth Proportional to 1,237,229.64, 1,855,992.69 and 438,347.70
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Solution
The fourth proportional to 1,237,229.64, 1,855,992.69 and 438,347.70 is: 657,574.07
Step by Step Solution
- Step 1: Write the proportion equation
1,237,229.64 : 1,855,992.69 = 438,347.70 : x - Step 2: Convert to fraction form
1,237,229.64/1,855,992.69 = 438,347.70/x - Step 3: Cross multiply
1,237,229.64x = 1,855,992.69 × 438,347.70 - Step 4: Simplify right side
1,237,229.64x = 813,570,126,878.31 - Step 5: Solve for x
x = 813,570,126,878.31/1,237,229.64 - Step 6: Final answer
x = 657,574.07
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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.