Finding the Fourth Proportional to 1,121,087.84, 1,547,134.08 and 611,822.96
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Solution
The fourth proportional to 1,121,087.84, 1,547,134.08 and 611,822.96 is: 844,333.62
Step by Step Solution
- Step 1: Write the proportion equation
1,121,087.84 : 1,547,134.08 = 611,822.96 : x - Step 2: Convert to fraction form
1,121,087.84/1,547,134.08 = 611,822.96/x - Step 3: Cross multiply
1,121,087.84x = 1,547,134.08 × 611,822.96 - Step 4: Simplify right side
1,121,087.84x = 946,572,152,342.48 - Step 5: Solve for x
x = 946,572,152,342.48/1,121,087.84 - Step 6: Final answer
x = 844,333.62
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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.