Finding the Fourth Proportional to 1,223,409.23, 1,688,331.48 and 672,132.04
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Solution
The fourth proportional to 1,223,409.23, 1,688,331.48 and 672,132.04 is: 927,556.90
Step by Step Solution
- Step 1: Write the proportion equation
1,223,409.23 : 1,688,331.48 = 672,132.04 : x - Step 2: Convert to fraction form
1,223,409.23/1,688,331.48 = 672,132.04/x - Step 3: Cross multiply
1,223,409.23x = 1,688,331.48 × 672,132.04 - Step 4: Simplify right side
1,223,409.23x = 1,134,781,673,406.96 - Step 5: Solve for x
x = 1,134,781,673,406.96/1,223,409.23 - Step 6: Final answer
x = 927,556.90
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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.