Finding the Fourth Proportional to 1,249,642.89, 1,873,201.98 and 492,015.99
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Solution
The fourth proportional to 1,249,642.89, 1,873,201.98 and 492,015.99 is: 737,526.96
Step by Step Solution
- Step 1: Write the proportion equation
1,249,642.89 : 1,873,201.98 = 492,015.99 : x - Step 2: Convert to fraction form
1,249,642.89/1,873,201.98 = 492,015.99/x - Step 3: Cross multiply
1,249,642.89x = 1,873,201.98 × 492,015.99 - Step 4: Simplify right side
1,249,642.89x = 921,645,326,659.66 - Step 5: Solve for x
x = 921,645,326,659.66/1,249,642.89 - Step 6: Final answer
x = 737,526.96
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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.