Finding the Fourth Proportional to 1,374,040.30, 1,896,206.06 and 762,173.19
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Solution
The fourth proportional to 1,374,040.30, 1,896,206.06 and 762,173.19 is: 1,051,815.89
Step by Step Solution
- Step 1: Write the proportion equation
1,374,040.30 : 1,896,206.06 = 762,173.19 : x - Step 2: Convert to fraction form
1,374,040.30/1,896,206.06 = 762,173.19/x - Step 3: Cross multiply
1,374,040.30x = 1,896,206.06 × 762,173.19 - Step 4: Simplify right side
1,374,040.30x = 1,445,237,421,647.53 - Step 5: Solve for x
x = 1,445,237,421,647.53/1,374,040.30 - Step 6: Final answer
x = 1,051,815.89
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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.