Finding the Fourth Proportional to 1,337,158.74, 1,845,268.07 and 725,309.94
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Solution
The fourth proportional to 1,337,158.74, 1,845,268.07 and 725,309.94 is: 1,000,921.75
Step by Step Solution
- Step 1: Write the proportion equation
1,337,158.74 : 1,845,268.07 = 725,309.94 : x - Step 2: Convert to fraction form
1,337,158.74/1,845,268.07 = 725,309.94/x - Step 3: Cross multiply
1,337,158.74x = 1,845,268.07 × 725,309.94 - Step 4: Simplify right side
1,337,158.74x = 1,338,391,269,509.07 - Step 5: Solve for x
x = 1,338,391,269,509.07/1,337,158.74 - Step 6: Final answer
x = 1,000,921.75
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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.