Finding the Fourth Proportional to 1,450,125.56, 2,001,117.65 and 805,586.28
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Solution
The fourth proportional to 1,450,125.56, 2,001,117.65 and 805,586.28 is: 1,111,678.17
Step by Step Solution
- Step 1: Write the proportion equation
1,450,125.56 : 2,001,117.65 = 805,586.28 : x - Step 2: Convert to fraction form
1,450,125.56/2,001,117.65 = 805,586.28/x - Step 3: Cross multiply
1,450,125.56x = 2,001,117.65 × 805,586.28 - Step 4: Simplify right side
1,450,125.56x = 1,612,072,919,477.91 - Step 5: Solve for x
x = 1,612,072,919,477.91/1,450,125.56 - Step 6: Final answer
x = 1,111,678.17
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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.