Finding the Fourth Proportional to 1,104,078.76, 1,656,118 and 356,124.76
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Solution
The fourth proportional to 1,104,078.76, 1,656,118 and 356,124.76 is: 534,187.09
Step by Step Solution
- Step 1: Write the proportion equation
1,104,078.76 : 1,656,118 = 356,124.76 : x - Step 2: Convert to fraction form
1,104,078.76/1,656,118 = 356,124.76/x - Step 3: Cross multiply
1,104,078.76x = 1,656,118 × 356,124.76 - Step 4: Simplify right side
1,104,078.76x = 589,784,625,281.68 - Step 5: Solve for x
x = 589,784,625,281.68/1,104,078.76 - Step 6: Final answer
x = 534,187.09
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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.