Finding the Fourth Proportional to 1,487,176.96, 2,052,299.18 and 842,720
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Solution
The fourth proportional to 1,487,176.96, 2,052,299.18 and 842,720 is: 1,162,950.75
Step by Step Solution
- Step 1: Write the proportion equation
1,487,176.96 : 2,052,299.18 = 842,720 : x - Step 2: Convert to fraction form
1,487,176.96/2,052,299.18 = 842,720/x - Step 3: Cross multiply
1,487,176.96x = 2,052,299.18 × 842,720 - Step 4: Simplify right side
1,487,176.96x = 1,729,513,564,969.60 - Step 5: Solve for x
x = 1,729,513,564,969.60/1,487,176.96 - Step 6: Final answer
x = 1,162,950.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.