Finding the Fourth Proportional to 1,670,739.29, 2,305,622.45 and 906,792.95
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Solution
The fourth proportional to 1,670,739.29, 2,305,622.45 and 906,792.95 is: 1,251,375.48
Step by Step Solution
- Step 1: Write the proportion equation
1,670,739.29 : 2,305,622.45 = 906,792.95 : x - Step 2: Convert to fraction form
1,670,739.29/2,305,622.45 = 906,792.95/x - Step 3: Cross multiply
1,670,739.29x = 2,305,622.45 × 906,792.95 - Step 4: Simplify right side
1,670,739.29x = 2,090,722,178,487.76 - Step 5: Solve for x
x = 2,090,722,178,487.76/1,670,739.29 - Step 6: Final answer
x = 1,251,375.48
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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.