Finding the Fourth Proportional to 1,344,028.14, 1,854,758 and 740,416.14
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Solution
The fourth proportional to 1,344,028.14, 1,854,758 and 740,416.14 is: 1,021,773.81
Step by Step Solution
- Step 1: Write the proportion equation
1,344,028.14 : 1,854,758 = 740,416.14 : x - Step 2: Convert to fraction form
1,344,028.14/1,854,758 = 740,416.14/x - Step 3: Cross multiply
1,344,028.14x = 1,854,758 × 740,416.14 - Step 4: Simplify right side
1,344,028.14x = 1,373,292,758,994.12 - Step 5: Solve for x
x = 1,373,292,758,994.12/1,344,028.14 - Step 6: Final answer
x = 1,021,773.81
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1.5x scale
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.