Finding the Fourth Proportional to 1,185,527.35, 1,778,476.24 and 386,623.09
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Solution
The fourth proportional to 1,185,527.35, 1,778,476.24 and 386,623.09 is: 579,995.04
Step by Step Solution
- Step 1: Write the proportion equation
1,185,527.35 : 1,778,476.24 = 386,623.09 : x - Step 2: Convert to fraction form
1,185,527.35/1,778,476.24 = 386,623.09/x - Step 3: Cross multiply
1,185,527.35x = 1,778,476.24 × 386,623.09 - Step 4: Simplify right side
1,185,527.35x = 687,599,982,106.76 - Step 5: Solve for x
x = 687,599,982,106.76/1,185,527.35 - Step 6: Final answer
x = 579,995.04
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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.