Finding the Fourth Proportional to 1,403,555.16, 1,936,906.26 and 758,975.31
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Solution
The fourth proportional to 1,403,555.16, 1,936,906.26 and 758,975.31 is: 1,047,386.00
Step by Step Solution
- Step 1: Write the proportion equation
1,403,555.16 : 1,936,906.26 = 758,975.31 : x - Step 2: Convert to fraction form
1,403,555.16/1,936,906.26 = 758,975.31/x - Step 3: Cross multiply
1,403,555.16x = 1,936,906.26 × 758,975.31 - Step 4: Simplify right side
1,403,555.16x = 1,470,064,029,124.44 - Step 5: Solve for x
x = 1,470,064,029,124.44/1,403,555.16 - Step 6: Final answer
x = 1,047,386.00
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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.