Finding the Fourth Proportional to 1,118,315.08, 1,677,425.77 and 360,139.77
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Solution
The fourth proportional to 1,118,315.08, 1,677,425.77 and 360,139.77 is: 540,194.56
Step by Step Solution
- Step 1: Write the proportion equation
1,118,315.08 : 1,677,425.77 = 360,139.77 : x - Step 2: Convert to fraction form
1,118,315.08/1,677,425.77 = 360,139.77/x - Step 3: Cross multiply
1,118,315.08x = 1,677,425.77 × 360,139.77 - Step 4: Simplify right side
1,118,315.08x = 604,107,720,812.05 - Step 5: Solve for x
x = 604,107,720,812.05/1,118,315.08 - Step 6: Final answer
x = 540,194.56
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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.