Finding the Fourth Proportional to 1,036,387.36, 1,430,316.56 and 606,641.44
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Solution
The fourth proportional to 1,036,387.36, 1,430,316.56 and 606,641.44 is: 837,224.89
Step by Step Solution
- Step 1: Write the proportion equation
1,036,387.36 : 1,430,316.56 = 606,641.44 : x - Step 2: Convert to fraction form
1,036,387.36/1,430,316.56 = 606,641.44/x - Step 3: Cross multiply
1,036,387.36x = 1,430,316.56 × 606,641.44 - Step 4: Simplify right side
1,036,387.36x = 867,689,297,614.25 - Step 5: Solve for x
x = 867,689,297,614.25/1,036,387.36 - Step 6: Final answer
x = 837,224.89
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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.