Finding the Fourth Proportional to 1,238,957.92, 1,707,952.16 and 875,740.96
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Solution
The fourth proportional to 1,238,957.92, 1,707,952.16 and 875,740.96 is: 1,207,243.31
Step by Step Solution
- Step 1: Write the proportion equation
1,238,957.92 : 1,707,952.16 = 875,740.96 : x - Step 2: Convert to fraction form
1,238,957.92/1,707,952.16 = 875,740.96/x - Step 3: Cross multiply
1,238,957.92x = 1,707,952.16 × 875,740.96 - Step 4: Simplify right side
1,238,957.92x = 1,495,723,664,232.47 - Step 5: Solve for x
x = 1,495,723,664,232.47/1,238,957.92 - Step 6: Final answer
x = 1,207,243.31
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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.