Finding the Fourth Proportional to 1,013,412.12, 1,398,370.92 and 605,427.63
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Solution
The fourth proportional to 1,013,412.12, 1,398,370.92 and 605,427.63 is: 835,407.80
Step by Step Solution
- Step 1: Write the proportion equation
1,013,412.12 : 1,398,370.92 = 605,427.63 : x - Step 2: Convert to fraction form
1,013,412.12/1,398,370.92 = 605,427.63/x - Step 3: Cross multiply
1,013,412.12x = 1,398,370.92 × 605,427.63 - Step 4: Simplify right side
1,013,412.12x = 846,612,391,956.52 - Step 5: Solve for x
x = 846,612,391,956.52/1,013,412.12 - Step 6: Final answer
x = 835,407.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.