Finding the Fourth Proportional to 1,249,866.36, 1,724,816.97 and 676,907.19
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Solution
The fourth proportional to 1,249,866.36, 1,724,816.97 and 676,907.19 is: 934,132.68
Step by Step Solution
- Step 1: Write the proportion equation
1,249,866.36 : 1,724,816.97 = 676,907.19 : x - Step 2: Convert to fraction form
1,249,866.36/1,724,816.97 = 676,907.19/x - Step 3: Cross multiply
1,249,866.36x = 1,724,816.97 × 676,907.19 - Step 4: Simplify right side
1,249,866.36x = 1,167,541,008,427.01 - Step 5: Solve for x
x = 1,167,541,008,427.01/1,249,866.36 - Step 6: Final answer
x = 934,132.68
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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.