Finding the Fourth Proportional to 1,185,920.13, 1,635,901.56 and 750,202.50
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Solution
The fourth proportional to 1,185,920.13, 1,635,901.56 and 750,202.50 is: 1,034,856.74
Step by Step Solution
- Step 1: Write the proportion equation
1,185,920.13 : 1,635,901.56 = 750,202.50 : x - Step 2: Convert to fraction form
1,185,920.13/1,635,901.56 = 750,202.50/x - Step 3: Cross multiply
1,185,920.13x = 1,635,901.56 × 750,202.50 - Step 4: Simplify right side
1,185,920.13x = 1,227,257,440,065.90 - Step 5: Solve for x
x = 1,227,257,440,065.90/1,185,920.13 - Step 6: Final answer
x = 1,034,856.74
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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.