Finding the Fourth Proportional to 1,117,658.46, 1,542,325.86 and 634,194.75
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Solution
The fourth proportional to 1,117,658.46, 1,542,325.86 and 634,194.75 is: 875,164.46
Step by Step Solution
- Step 1: Write the proportion equation
1,117,658.46 : 1,542,325.86 = 634,194.75 : x - Step 2: Convert to fraction form
1,117,658.46/1,542,325.86 = 634,194.75/x - Step 3: Cross multiply
1,117,658.46x = 1,542,325.86 × 634,194.75 - Step 4: Simplify right side
1,117,658.46x = 978,134,963,201.24 - Step 5: Solve for x
x = 978,134,963,201.24/1,117,658.46 - Step 6: Final answer
x = 875,164.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.