Finding the Fourth Proportional to 1,123,377.30, 1,550,260.74 and 607,129.68
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Solution
The fourth proportional to 1,123,377.30, 1,550,260.74 and 607,129.68 is: 837,838.99
Step by Step Solution
- Step 1: Write the proportion equation
1,123,377.30 : 1,550,260.74 = 607,129.68 : x - Step 2: Convert to fraction form
1,123,377.30/1,550,260.74 = 607,129.68/x - Step 3: Cross multiply
1,123,377.30x = 1,550,260.74 × 607,129.68 - Step 4: Simplify right side
1,123,377.30x = 941,209,306,992.76 - Step 5: Solve for x
x = 941,209,306,992.76/1,123,377.30 - Step 6: Final answer
x = 837,838.99
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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.