Finding the Fourth Proportional to 1,392,735.17, 2,089,288.65 and 551,090.09
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Solution
The fourth proportional to 1,392,735.17, 2,089,288.65 and 551,090.09 is: 826,708.70
Step by Step Solution
- Step 1: Write the proportion equation
1,392,735.17 : 2,089,288.65 = 551,090.09 : x - Step 2: Convert to fraction form
1,392,735.17/2,089,288.65 = 551,090.09/x - Step 3: Cross multiply
1,392,735.17x = 2,089,288.65 × 551,090.09 - Step 4: Simplify right side
1,392,735.17x = 1,151,386,277,454.29 - Step 5: Solve for x
x = 1,151,386,277,454.29/1,392,735.17 - Step 6: Final answer
x = 826,708.70
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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.