Finding the Fourth Proportional to 1,083,359.84, 1,624,431.92 and 742,188.65
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Solution
The fourth proportional to 1,083,359.84, 1,624,431.92 and 742,188.65 is: 1,112,866.55
Step by Step Solution
- Step 1: Write the proportion equation
1,083,359.84 : 1,624,431.92 = 742,188.65 : x - Step 2: Convert to fraction form
1,083,359.84/1,624,431.92 = 742,188.65/x - Step 3: Cross multiply
1,083,359.84x = 1,624,431.92 × 742,188.65 - Step 4: Simplify right side
1,083,359.84x = 1,205,634,921,888.61 - Step 5: Solve for x
x = 1,205,634,921,888.61/1,083,359.84 - Step 6: Final answer
x = 1,112,866.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.