Finding the Fourth Proportional to 1,232,869.43, 1,701,412.36 and 689,005.21
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Solution
The fourth proportional to 1,232,869.43, 1,701,412.36 and 689,005.21 is: 950,856.56
Step by Step Solution
- Step 1: Write the proportion equation
1,232,869.43 : 1,701,412.36 = 689,005.21 : x - Step 2: Convert to fraction form
1,232,869.43/1,701,412.36 = 689,005.21/x - Step 3: Cross multiply
1,232,869.43x = 1,701,412.36 × 689,005.21 - Step 4: Simplify right side
1,232,869.43x = 1,172,281,980,398.40 - Step 5: Solve for x
x = 1,172,281,980,398.40/1,232,869.43 - Step 6: Final answer
x = 950,856.56
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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.