Finding the Fourth Proportional to 1,115,926.80, 1,539,960.84 and 606,642
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Solution
The fourth proportional to 1,115,926.80, 1,539,960.84 and 606,642 is: 837,156.10
Step by Step Solution
- Step 1: Write the proportion equation
1,115,926.80 : 1,539,960.84 = 606,642 : x - Step 2: Convert to fraction form
1,115,926.80/1,539,960.84 = 606,642/x - Step 3: Cross multiply
1,115,926.80x = 1,539,960.84 × 606,642 - Step 4: Simplify right side
1,115,926.80x = 934,204,923,899.28 - Step 5: Solve for x
x = 934,204,923,899.28/1,115,926.80 - Step 6: Final answer
x = 837,156.10
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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.