Finding the Fourth Proportional to 1,228,055.44, 1,842,501.36 and 749,241.76
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Solution
The fourth proportional to 1,228,055.44, 1,842,501.36 and 749,241.76 is: 1,124,117.79
Step by Step Solution
- Step 1: Write the proportion equation
1,228,055.44 : 1,842,501.36 = 749,241.76 : x - Step 2: Convert to fraction form
1,228,055.44/1,842,501.36 = 749,241.76/x - Step 3: Cross multiply
1,228,055.44x = 1,842,501.36 × 749,241.76 - Step 4: Simplify right side
1,228,055.44x = 1,380,478,961,768.79 - Step 5: Solve for x
x = 1,380,478,961,768.79/1,228,055.44 - Step 6: Final answer
x = 1,124,117.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.