Finding the Fourth Proportional to 1,305,220.41, 1,959,752.51 and 729,970.74
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Solution
The fourth proportional to 1,305,220.41, 1,959,752.51 and 729,970.74 is: 1,096,030.96
Step by Step Solution
- Step 1: Write the proportion equation
1,305,220.41 : 1,959,752.51 = 729,970.74 : x - Step 2: Convert to fraction form
1,305,220.41/1,959,752.51 = 729,970.74/x - Step 3: Cross multiply
1,305,220.41x = 1,959,752.51 × 729,970.74 - Step 4: Simplify right side
1,305,220.41x = 1,430,561,980,142.80 - Step 5: Solve for x
x = 1,430,561,980,142.80/1,305,220.41 - Step 6: Final answer
x = 1,096,030.96
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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.