Finding the Fourth Proportional to 1,249,455.60, 1,874,203.56 and 451,309.68
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Solution
The fourth proportional to 1,249,455.60, 1,874,203.56 and 451,309.68 is: 676,971.80
Step by Step Solution
- Step 1: Write the proportion equation
1,249,455.60 : 1,874,203.56 = 451,309.68 : x - Step 2: Convert to fraction form
1,249,455.60/1,874,203.56 = 451,309.68/x - Step 3: Cross multiply
1,249,455.60x = 1,874,203.56 × 451,309.68 - Step 4: Simplify right side
1,249,455.60x = 845,846,208,918.46 - Step 5: Solve for x
x = 845,846,208,918.46/1,249,455.60 - Step 6: Final answer
x = 676,971.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.