Finding the Fourth Proportional to 1,244,708.80, 1,862,762.40 and 746,430.40
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Solution
The fourth proportional to 1,244,708.80, 1,862,762.40 and 746,430.40 is: 1,117,066.48
Step by Step Solution
- Step 1: Write the proportion equation
1,244,708.80 : 1,862,762.40 = 746,430.40 : x - Step 2: Convert to fraction form
1,244,708.80/1,862,762.40 = 746,430.40/x - Step 3: Cross multiply
1,244,708.80x = 1,862,762.40 × 746,430.40 - Step 4: Simplify right side
1,244,708.80x = 1,390,422,483,336.96 - Step 5: Solve for x
x = 1,390,422,483,336.96/1,244,708.80 - Step 6: Final answer
x = 1,117,066.48
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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.