Finding the Fourth Proportional to 1,258,836.76, 1,888,240.56 and 753,538.96
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Solution
The fourth proportional to 1,258,836.76, 1,888,240.56 and 753,538.96 is: 1,130,299.71
Step by Step Solution
- Step 1: Write the proportion equation
1,258,836.76 : 1,888,240.56 = 753,538.96 : x - Step 2: Convert to fraction form
1,258,836.76/1,888,240.56 = 753,538.96/x - Step 3: Cross multiply
1,258,836.76x = 1,888,240.56 × 753,538.96 - Step 4: Simplify right side
1,258,836.76x = 1,422,862,827,812.22 - Step 5: Solve for x
x = 1,422,862,827,812.22/1,258,836.76 - Step 6: Final answer
x = 1,130,299.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.