Finding the Fourth Proportional to 1,220,471.06, 1,684,349.51 and 676,777.32
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Solution
The fourth proportional to 1,220,471.06, 1,684,349.51 and 676,777.32 is: 934,007.85
Step by Step Solution
- Step 1: Write the proportion equation
1,220,471.06 : 1,684,349.51 = 676,777.32 : x - Step 2: Convert to fraction form
1,220,471.06/1,684,349.51 = 676,777.32/x - Step 3: Cross multiply
1,220,471.06x = 1,684,349.51 × 676,777.32 - Step 4: Simplify right side
1,220,471.06x = 1,139,929,543,937.23 - Step 5: Solve for x
x = 1,139,929,543,937.23/1,220,471.06 - Step 6: Final answer
x = 934,007.85
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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.